77844096 has 96 divisors (see below), whose sum is σ = 244408320. Its totient is φ = 23585280.

The previous prime is 77844077. The next prime is 77844097. The reversal of 77844096 is 69044877.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (77844097) 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 11 ways as a sum of consecutive naturals, for example, 9601 + ... + 15743.

It is an arithmetic number, because the mean of its divisors is an integer number (2545920).

Almost surely, 2^77844096 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 77844096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122204160).

77844096 is an abundant number, since it is smaller than the sum of its proper divisors (166564224).

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

77844096 is a wasteful number, since it uses less digits than its factorization.

77844096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 77844096 is about 8822.9301255309. The cubic root of 77844096 is about 426.9810096731.

The spelling of 77844096 in words is "seventy-seven million, eight hundred forty-four thousand, ninety-six".