77134107368072 has 32 divisors (see below), whose sum is σ = 154712589547320. Its totient is φ = 35924193116160.

The previous prime is 77134107368053. The next prime is 77134107368161. The reversal of 77134107368072 is 27086370143177.

It can be written as a sum of positive squares in 4 ways, for example, as 76922126316676 + 211981051396 = 8770526^2 + 460414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77134107367999 and 77134107368017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923505129 + ... + 2923531512.

Almost surely, 2^{77134107368072} is an apocalyptic number.

It is an amenable number.

77134107368072 is an abundant number, since it is smaller than the sum of its proper divisors (77578482179248).

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

77134107368072 is a wasteful number, since it uses less digits than its factorization.

77134107368072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847036761 (or 5847036757 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 77134107368072 in words is "seventy-seven trillion, one hundred thirty-four billion, one hundred seven million, three hundred sixty-eight thousand, seventy-two".