77930848134 has 24 divisors (see below), whose sum is σ = 177737022840. Its totient is φ = 24609741408.

The previous prime is 77930848057. The next prime is 77930848159. The reversal of 77930848134 is 43184803977.

77930848134 is a `hidden beast` number, since 77 + 93 + 0 + 8 + 481 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113933647 + ... + 113934330.

It is an arithmetic number, because the mean of its divisors is an integer number (7405709285).

Almost surely, 2^77930848134 is an apocalyptic number.

77930848134 is an abundant number, since it is smaller than the sum of its proper divisors (99806174706).

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

77930848134 is a wasteful number, since it uses less digits than its factorization.

77930848134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227868004 (or 227868001 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 77930848134 in words is "seventy-seven billion, nine hundred thirty million, eight hundred forty-eight thousand, one hundred thirty-four".