76513988 has 36 divisors (see below), whose sum is σ = 143745840. Its totient is φ = 35534592.

The previous prime is 76513981. The next prime is 76514017. The reversal of 76513988 is 88931567.

It is a happy number.

Its product of digits (362880) is a multiple of the sum of its prime factors (324).

It is not an unprimeable number, because it can be changed into a prime (76513981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715031 + ... + 715137.

It is an arithmetic number, because the mean of its divisors is an integer number (3992940).

Almost surely, 2^76513988 is an apocalyptic number.

It is an amenable number.

76513988 is a deficient number, since it is larger than the sum of its proper divisors (67231852).

76513988 is a wasteful number, since it uses less digits than its factorization.

76513988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 225 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 76513988 is about 8747.2274464541. The cubic root of 76513988 is about 424.5351096537.

The spelling of 76513988 in words is "seventy-six million, five hundred thirteen thousand, nine hundred eighty-eight".