76679988 has 96 divisors (see below), whose sum is σ = 230350848. Its totient is φ = 19267200.

The previous prime is 76679987. The next prime is 76680011. The reversal of 76679988 is 88997667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76679987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27306 + ... + 29982.

It is an arithmetic number, because the mean of its divisors is an integer number (2399488).

Almost surely, 2^76679988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76679988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115175424).

76679988 is an abundant number, since it is smaller than the sum of its proper divisors (153670860).

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

76679988 is a wasteful number, since it uses less digits than its factorization.

76679988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 76679988 is about 8756.7110264071. The cubic root of 76679988 is about 424.8419029033.

The spelling of 76679988 in words is "seventy-six million, six hundred seventy-nine thousand, nine hundred eighty-eight".