77922084 has 48 divisors (see below), whose sum is σ = 196172928. Its totient is φ = 23981568.

The previous prime is 77922077. The next prime is 77922107. The reversal of 77922084 is 48022977.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7209 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (4086936).

Almost surely, 2^77922084 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 77922084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98086464).

77922084 is an abundant number, since it is smaller than the sum of its proper divisors (118250844).

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

77922084 is a wasteful number, since it uses less digits than its factorization.

77922084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 77922084 is about 8827.3486393141. The cubic root of 77922084 is about 427.1235521931.

The spelling of 77922084 in words is "seventy-seven million, nine hundred twenty-two thousand, eighty-four".