77005666314 has 48 divisors (see below), whose sum is σ = 175972399200. Its totient is φ = 24269748768.

The previous prime is 77005666271. The next prime is 77005666321. The reversal of 77005666314 is 41366650077.

It is a super-2 number, since 2×77005666314² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77005666314.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47104 + ... + 395259.

It is an arithmetic number, because the mean of its divisors is an integer number (3666091650).

Almost surely, 2^77005666314 is an apocalyptic number.

77005666314 is an abundant number, since it is smaller than the sum of its proper divisors (98966732886).

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

77005666314 is a wasteful number, since it uses less digits than its factorization.

77005666314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442899 (or 442896 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 77005666314 in words is "seventy-seven billion, five million, six hundred sixty-six thousand, three hundred fourteen".