2785898976 has 192 divisors, whose sum is σ = 8566548480. Its totient is φ = 776355840.

The previous prime is 2785898933. The next prime is 2785898977. The reversal of 2785898976 is 6798985872.

It is a super-2 number, since 2×2785898976² = 15522466208955697152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2785898976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785898977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5149266 + ... + 5149806.

It is an arithmetic number, because the mean of its divisors is an integer number (44617440).

Almost surely, 2^2785898976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2785898976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4283274240).

2785898976 is an abundant number, since it is smaller than the sum of its proper divisors (5780649504).

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

2785898976 is a wasteful number, since it uses less digits than its factorization.

2785898976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 729 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 69.

The square root of 2785898976 is about 52781.6158903837. The cubic root of 2785898976 is about 1407.0897127095.

The spelling of 2785898976 in words is "two billion, seven hundred eighty-five million, eight hundred ninety-eight thousand, nine hundred seventy-six".