2808354864 has 160 divisors (see below), whose sum is σ = 8438348800. Its totient is φ = 788299776.

The previous prime is 2808354863. The next prime is 2808354877. The reversal of 2808354864 is 4684538082.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2808354863) 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, 6485592 + ... + 6486024.

It is an arithmetic number, because the mean of its divisors is an integer number (52739680).

Almost surely, 2^2808354864 is an apocalyptic number.

2808354864 is a gapful number since it is divisible by the number (24) 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 2808354864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219174400).

2808354864 is an abundant number, since it is smaller than the sum of its proper divisors (5629993936).

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

2808354864 is a wasteful number, since it uses less digits than its factorization.

2808354864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The square root of 2808354864 is about 52993.9134618307. The cubic root of 2808354864 is about 1410.8602406158.

The spelling of 2808354864 in words is "two billion, eight hundred eight million, three hundred fifty-four thousand, eight hundred sixty-four".