2891554848 has 720 divisors, whose sum is σ = 11249352576. Its totient is φ = 711659520.

The previous prime is 2891554789. The next prime is 2891554859. The reversal of 2891554848 is 8484551982.

2891554848 is a `hidden beast` number, since 2 + 8 + 9 + 1 + 554 + 84 + 8 = 666.

It is a super-2 number, since 2×2891554848² = 16722178877984606208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2891554794 and 2891554803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 70525708 + ... + 70525748.

Almost surely, 2^2891554848 is an apocalyptic number.

2891554848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2891554848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5624676288).

2891554848 is an abundant number, since it is smaller than the sum of its proper divisors (8357797728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2891554848 is a wasteful number, since it uses less digits than its factorization.

2891554848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 89 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The square root of 2891554848 is about 53773.1796344609. The cubic root of 2891554848 is about 1424.6575309977.

The spelling of 2891554848 in words is "two billion, eight hundred ninety-one million, five hundred fifty-four thousand, eight hundred forty-eight".