77380380627 has 16 divisors (see below), whose sum is σ = 112600430208. Its totient is φ = 46877554880.

The previous prime is 77380380617. The next prime is 77380380661. The reversal of 77380380627 is 72608308377.

It is a cyclic number.

It is not a de Polignac number, because 77380380627 - 2⁴ = 77380380611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77380380627.

It is not an unprimeable number, because it can be changed into a prime (77380380617) 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, 410973 + ... + 568910.

It is an arithmetic number, because the mean of its divisors is an integer number (7037526888).

Almost surely, 2^77380380627 is an apocalyptic number.

77380380627 is a deficient number, since it is larger than the sum of its proper divisors (35220049581).

77380380627 is a wasteful number, since it uses less digits than its factorization.

77380380627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982290.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 77380380627 in words is "seventy-seven billion, three hundred eighty million, three hundred eighty thousand, six hundred twenty-seven".