77113186548 has 24 divisors (see below), whose sum is σ = 184319325120. Its totient is φ = 25077458880.

The previous prime is 77113186537. The next prime is 77113186607. The reversal of 77113186548 is 84568131177.

It is a self number, because there is not a number n which added to its sum of digits gives 77113186548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78366568 + ... + 78367551.

It is an arithmetic number, because the mean of its divisors is an integer number (7679971880).

Almost surely, 2^77113186548 is an apocalyptic number.

It is an amenable number.

77113186548 is an abundant number, since it is smaller than the sum of its proper divisors (107206138572).

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

77113186548 is a wasteful number, since it uses less digits than its factorization.

77113186548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156734167 (or 156734165 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The spelling of 77113186548 in words is "seventy-seven billion, one hundred thirteen million, one hundred eighty-six thousand, five hundred forty-eight".