77238727402700 has 144 divisors (see below), whose sum is σ = 183232173890304. Its totient is φ = 28133948006400.

The previous prime is 77238727402651. The next prime is 77238727402757. The reversal of 77238727402700 is 720472783277.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244211864 + ... + 244527936.

It is an arithmetic number, because the mean of its divisors is an integer number (1272445652016).

Almost surely, 2^{77238727402700} 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 77238727402700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91616086945152).

77238727402700 is an abundant number, since it is smaller than the sum of its proper divisors (105993446487604).

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

77238727402700 is a wasteful number, since it uses less digits than its factorization.

77238727402700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320772 (or 320765 counting only the distinct ones).

The product of its (nonzero) digits is 12907776, while the sum is 56.

The spelling of 77238727402700 in words is "seventy-seven trillion, two hundred thirty-eight billion, seven hundred twenty-seven million, four hundred two thousand, seven hundred".