77904054 has 48 divisors (see below), whose sum is σ = 175593600. Its totient is φ = 24935040.

The previous prime is 77904041. The next prime is 77904083. The reversal of 77904054 is 45040977.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82674 + ... + 83610.

It is an arithmetic number, because the mean of its divisors is an integer number (3658200).

Almost surely, 2^77904054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77904054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87796800).

77904054 is an abundant number, since it is smaller than the sum of its proper divisors (97689546).

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

77904054 is a wasteful number, since it uses less digits than its factorization.

77904054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 77904054 is about 8826.3273222785. The cubic root of 77904054 is about 427.0906063268.

The spelling of 77904054 in words is "seventy-seven million, nine hundred four thousand, fifty-four".