77402376576232 has 8 divisors (see below), whose sum is σ = 145129456080450. Its totient is φ = 38701188288112.

The previous prime is 77402376576229. The next prime is 77402376576233. The reversal of 77402376576232 is 23267567320477.

It can be written as a sum of positive squares in only one way, i.e., 62122361387076 + 15280015189156 = 7881774^2 + 3908966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×77402376576232² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77402376576233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837648536007 + ... + 4837648536022.

Almost surely, 2^{77402376576232} is an apocalyptic number.

It is an amenable number.

77402376576232 is a deficient number, since it is larger than the sum of its proper divisors (67727079504218).

77402376576232 is a wasteful number, since it uses less digits than its factorization.

77402376576232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675297072035 (or 9675297072031 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 61.

The spelling of 77402376576232 in words is "seventy-seven trillion, four hundred two billion, three hundred seventy-six million, five hundred seventy-six thousand, two hundred thirty-two".