76513763865870 has 192 divisors, whose sum is σ = 204551056419840. Its totient is φ = 19835952364800.

The previous prime is 76513763865859. The next prime is 76513763865961. The reversal of 76513763865870 is 7856836731567.

76513763865870 is a `hidden beast` number, since 7 + 6 + 5 + 1 + 3 + 7 + 6 + 38 + 6 + 587 + 0 = 666.

It is a super-2 number, since 2×76513763865870² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1115147865 + ... + 1115216475.

It is an arithmetic number, because the mean of its divisors is an integer number (1065370085520).

Almost surely, 2^{76513763865870} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76513763865870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102275528209920).

76513763865870 is an abundant number, since it is smaller than the sum of its proper divisors (128037292553970).

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

76513763865870 is a wasteful number, since it uses less digits than its factorization.

76513763865870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71111 (or 71108 counting only the distinct ones).

The product of its (nonzero) digits is 1066867200, while the sum is 72.

The spelling of 76513763865870 in words is "seventy-six trillion, five hundred thirteen billion, seven hundred sixty-three million, eight hundred sixty-five thousand, eight hundred seventy".