77375165448 has 64 divisors (see below), whose sum is σ = 222395765760. Its totient is φ = 21974803776.

The previous prime is 77375165407. The next prime is 77375165453. The reversal of 77375165448 is 84456157377.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350886 + ... + 1406997.

It is an arithmetic number, because the mean of its divisors is an integer number (3474933840).

Almost surely, 2^77375165448 is an apocalyptic number.

It is an amenable number.

77375165448 is an abundant number, since it is smaller than the sum of its proper divisors (145020600312).

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

77375165448 is a wasteful number, since it uses less digits than its factorization.

77375165448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758066 (or 2758062 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 57.

The spelling of 77375165448 in words is "seventy-seven billion, three hundred seventy-five million, one hundred sixty-five thousand, four hundred forty-eight".