76228988 has 24 divisors (see below), whose sum is σ = 153189120. Its totient is φ = 32825520.

The previous prime is 76228973. The next prime is 76228993. The reversal of 76228988 is 88982267.

It is a super-2 number, since 2×76228988² = 11621717223008288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44756 + ... + 46427.

It is an arithmetic number, because the mean of its divisors is an integer number (6382880).

Almost surely, 2^76228988 is an apocalyptic number.

It is an amenable number.

76228988 is an abundant number, since it is smaller than the sum of its proper divisors (76960132).

76228988 is a wasteful number, since it uses less digits than its factorization.

76228988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91217 (or 91215 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 76228988 is about 8730.9213717683. The cubic root of 76228988 is about 424.0073497599.

The spelling of 76228988 in words is "seventy-six million, two hundred twenty-eight thousand, nine hundred eighty-eight".