696776156864 has 56 divisors (see below), whose sum is σ = 1394936463360. Its totient is φ = 345301560576.

The previous prime is 696776156863. The next prime is 696776156917. The reversal of 696776156864 is 468651677696.

It is not an unprimeable number, because it can be changed into a prime (696776156861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8240369 + ... + 8324495.

Almost surely, 2^696776156864 is an apocalyptic number.

696776156864 is a gapful number since it is divisible by the number (64) 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 696776156864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697468231680).

696776156864 is an abundant number, since it is smaller than the sum of its proper divisors (698160306496).

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

696776156864 is a wasteful number, since it uses less digits than its factorization.

696776156864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85285 (or 85275 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 71.

The spelling of 696776156864 in words is "six hundred ninety-six billion, seven hundred seventy-six million, one hundred fifty-six thousand, eight hundred sixty-four".