77026164464 has 40 divisors (see below), whose sum is σ = 158329866240. Its totient is φ = 36198767808.

The previous prime is 77026164463. The next prime is 77026164469. The reversal of 77026164464 is 46446162077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77026164463) 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, 958934 + ... + 1036149.

It is an arithmetic number, because the mean of its divisors is an integer number (3958246656).

Almost surely, 2^77026164464 is an apocalyptic number.

It is an amenable number.

77026164464 is an abundant number, since it is smaller than the sum of its proper divisors (81303701776).

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

77026164464 is a wasteful number, since it uses less digits than its factorization.

77026164464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995237 (or 1995231 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 77026164464 in words is "seventy-seven billion, twenty-six million, one hundred sixty-four thousand, four hundred sixty-four".