696776881 has 16 divisors (see below), whose sum is σ = 759663360. Its totient is φ = 637067200.

The previous prime is 696776867. The next prime is 696776887. The reversal of 696776881 is 188677696.

It is a cyclic number.

It is not a de Polignac number, because 696776881 - 2¹¹ = 696774833 is a prime.

It is a super-2 number, since 2×696776881² = 970996043792176322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696776887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62196 + ... + 72538.

It is an arithmetic number, because the mean of its divisors is an integer number (47478960).

Almost surely, 2^696776881 is an apocalyptic number.

It is an amenable number.

696776881 is a deficient number, since it is larger than the sum of its proper divisors (62886479).

696776881 is a wasteful number, since it uses less digits than its factorization.

696776881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496.

The product of its digits is 6096384, while the sum is 58.

The square root of 696776881 is about 26396.5316092853. The cubic root of 696776881 is about 886.5391332171.

The spelling of 696776881 in words is "six hundred ninety-six million, seven hundred seventy-six thousand, eight hundred eighty-one".