77022996 has 12 divisors (see below), whose sum is σ = 179720352. Its totient is φ = 25674328.

The previous prime is 77022983. The next prime is 77023007. The reversal of 77022996 is 69922077.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209280 + ... + 3209303.

It is an arithmetic number, because the mean of its divisors is an integer number (14976696).

Almost surely, 2^77022996 is an apocalyptic number.

It is an amenable number.

77022996 is an abundant number, since it is smaller than the sum of its proper divisors (102697356).

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

77022996 is a wasteful number, since it uses less digits than its factorization.

77022996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418590 (or 6418588 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 77022996 is about 8776.2746082834. The cubic root of 77022996 is about 425.4744339682.

The spelling of 77022996 in words is "seventy-seven million, twenty-two thousand, nine hundred ninety-six".