77922344 has 64 divisors (see below), whose sum is σ = 165888000. Its totient is φ = 34119360.

The previous prime is 77922329. The next prime is 77922347. The reversal of 77922344 is 44322977.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 77922298 and 77922307.

It is not an unprimeable number, because it can be changed into a prime (77922347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108017 + ... + 108735.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 2^77922344 is an apocalyptic number.

It is an amenable number.

77922344 is an abundant number, since it is smaller than the sum of its proper divisors (87965656).

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

77922344 is a wasteful number, since it uses less digits than its factorization.

77922344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 794 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 77922344 is about 8827.3633662606. The cubic root of 77922344 is about 427.1240272489.

The spelling of 77922344 in words is "seventy-seven million, nine hundred twenty-two thousand, three hundred forty-four".