77604318 has 120 divisors (see below), whose sum is σ = 198137016. Its totient is φ = 22667040.

The previous prime is 77604311. The next prime is 77604353. The reversal of 77604318 is 81340677.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77604311) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 725221 + ... + 725327.

Almost surely, 2^77604318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77604318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99068508).

77604318 is an abundant number, since it is smaller than the sum of its proper divisors (120532698).

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

77604318 is a wasteful number, since it uses less digits than its factorization.

77604318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 77604318 is about 8809.3313026586. The cubic root of 77604318 is about 426.5421583586.

The spelling of 77604318 in words is "seventy-seven million, six hundred four thousand, three hundred eighteen".