77900076 has 48 divisors (see below), whose sum is σ = 212598400. Its totient is φ = 24599376.

The previous prime is 77900051. The next prime is 77900077. The reversal of 77900076 is 67000977.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 77900076.

It is not an unprimeable number, because it can be changed into a prime (77900077) 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 15 ways as a sum of consecutive naturals, for example, 16930 + ... + 21033.

Almost surely, 2^77900076 is an apocalyptic number.

77900076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

77900076 is an abundant number, since it is smaller than the sum of its proper divisors (134698324).

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

77900076 is a wasteful number, since it uses less digits than its factorization.

77900076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37995 (or 37987 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 77900076 is about 8826.1019708589. The cubic root of 77900076 is about 427.0833367207.

The spelling of 77900076 in words is "seventy-seven million, nine hundred thousand, seventy-six".