77696023522 has 32 divisors (see below), whose sum is σ = 126812548800. Its totient is φ = 35488888128.

The previous prime is 77696023507. The next prime is 77696023529. The reversal of 77696023522 is 22532069677.

It is a super-2 number, since 2×77696023522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77696023529) 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, 1111729 + ... + 1179547.

It is an arithmetic number, because the mean of its divisors is an integer number (3962892150).

Almost surely, 2^77696023522 is an apocalyptic number.

77696023522 is a deficient number, since it is larger than the sum of its proper divisors (49116525278).

77696023522 is a wasteful number, since it uses less digits than its factorization.

77696023522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68290.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 77696023522 in words is "seventy-seven billion, six hundred ninety-six million, twenty-three thousand, five hundred twenty-two".