77027627164 has 24 divisors (see below), whose sum is σ = 148933215648. Its totient is φ = 34672281600.

The previous prime is 77027627143. The next prime is 77027627167. The reversal of 77027627164 is 46172672077.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77027627167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24623637 + ... + 24626764.

It is an arithmetic number, because the mean of its divisors is an integer number (6205550652).

Almost surely, 2^77027627164 is an apocalyptic number.

It is an amenable number.

77027627164 is a deficient number, since it is larger than the sum of its proper divisors (71905588484).

77027627164 is a wasteful number, since it uses less digits than its factorization.

77027627164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49250445 (or 49250443 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 77027627164 in words is "seventy-seven billion, twenty-seven million, six hundred twenty-seven thousand, one hundred sixty-four".