76157785088 has 132 divisors (see below), whose sum is σ = 193198021632. Its totient is φ = 29671649280.

The previous prime is 76157785061. The next prime is 76157785147. The reversal of 76157785088 is 88058775167.

It is a Cunningham number, because it is equal to 275967²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 76157785088.

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, 482945 + ... + 620927.

It is an arithmetic number, because the mean of its divisors is an integer number (1463621376).

Almost surely, 2^76157785088 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 76157785088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96599010816).

76157785088 is an abundant number, since it is smaller than the sum of its proper divisors (117040236544).

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

76157785088 is a wasteful number, since it uses less digits than its factorization.

76157785088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138028 (or 138003 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 62.

The spelling of 76157785088 in words is "seventy-six billion, one hundred fifty-seven million, seven hundred eighty-five thousand, eighty-eight".