76616555347172 has 12 divisors (see below), whose sum is σ = 136276987790076. Its totient is φ = 37680273121440.

The previous prime is 76616555347169. The next prime is 76616555347201. The reversal of 76616555347172 is 27174355561667.

It can be written as a sum of positive squares in 2 ways, for example, as 3675287746816 + 72941267600356 = 1917104^2 + 8540566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76616555347099 and 76616555347108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157001137763 + ... + 157001138250.

It is an arithmetic number, because the mean of its divisors is an integer number (11356415649173).

Almost surely, 2^{76616555347172} is an apocalyptic number.

It is an amenable number.

76616555347172 is a deficient number, since it is larger than the sum of its proper divisors (59660432442904).

76616555347172 is a wasteful number, since it uses less digits than its factorization.

76616555347172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314002276078 (or 314002276076 counting only the distinct ones).

The product of its digits is 222264000, while the sum is 65.

The spelling of 76616555347172 in words is "seventy-six trillion, six hundred sixteen billion, five hundred fifty-five million, three hundred forty-seven thousand, one hundred seventy-two".