77298804 has 144 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 22014720.

The previous prime is 77298799. The next prime is 77298811. The reversal of 77298804 is 40889277.

It is a self number, because there is not a number n which added to its sum of digits gives 77298804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608589 + ... + 608715.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^77298804 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 77298804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

77298804 is an abundant number, since it is smaller than the sum of its proper divisors (149138316).

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

77298804 is a wasteful number, since it uses less digits than its factorization.

77298804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 77298804 is about 8791.9738398155. The cubic root of 77298804 is about 425.9816827408.

The spelling of 77298804 in words is "seventy-seven million, two hundred ninety-eight thousand, eight hundred four".