76851648552 has 128 divisors (see below), whose sum is σ = 241182259200. Its totient is φ = 19897498368.

The previous prime is 76851648539. The next prime is 76851648583. The reversal of 76851648552 is 25584615867.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 76851648492 and 76851648501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449983 + ... + 596814.

It is an arithmetic number, because the mean of its divisors is an integer number (1884236400).

Almost surely, 2^76851648552 is an apocalyptic number.

It is an amenable number.

76851648552 is an abundant number, since it is smaller than the sum of its proper divisors (164330610648).

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

76851648552 is a wasteful number, since it uses less digits than its factorization.

76851648552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046855 (or 1046851 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 57.

The spelling of 76851648552 in words is "seventy-six billion, eight hundred fifty-one million, six hundred forty-eight thousand, five hundred fifty-two".