77593093856 has 48 divisors (see below), whose sum is σ = 155567018880. Its totient is φ = 38085843840.

The previous prime is 77593093793. The next prime is 77593093901. The reversal of 77593093856 is 65839039577.

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, 1344311 + ... + 1400841.

It is an arithmetic number, because the mean of its divisors is an integer number (3240979560).

Almost surely, 2^77593093856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77593093856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77783509440).

77593093856 is an abundant number, since it is smaller than the sum of its proper divisors (77973925024).

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

77593093856 is a wasteful number, since it uses less digits than its factorization.

77593093856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57327 (or 57319 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 62.

The spelling of 77593093856 in words is "seventy-seven billion, five hundred ninety-three million, ninety-three thousand, eight hundred fifty-six".