78190576084 has 48 divisors (see below), whose sum is σ = 146070258768. Its totient is φ = 36494409728.

The previous prime is 78190575997. The next prime is 78190576091. The reversal of 78190576084 is 48067509187.

It can be written as a sum of positive squares in 8 ways, for example, as 21836563984 + 56354012100 = 147772^2 + 237390^2 .

It is a super-2 number, since 2×78190576084² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 12787812 + ... + 12793924.

It is an arithmetic number, because the mean of its divisors is an integer number (3043130391).

Almost surely, 2^78190576084 is an apocalyptic number.

It is an amenable number.

78190576084 is a deficient number, since it is larger than the sum of its proper divisors (67879682684).

78190576084 is a wasteful number, since it uses less digits than its factorization.

78190576084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7644 (or 7642 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 78190576084 in words is "seventy-eight billion, one hundred ninety million, five hundred seventy-six thousand, eighty-four".