77003868 has 24 divisors (see below), whose sum is σ = 181697040. Its totient is φ = 25379200.

The previous prime is 77003851. The next prime is 77003873. The reversal of 77003868 is 86830077.

It is a super-2 number, since 2×77003868² = 11859191373922848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34983 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (7570710).

Almost surely, 2^77003868 is an apocalyptic number.

It is an amenable number.

77003868 is an abundant number, since it is smaller than the sum of its proper divisors (104693172).

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

77003868 is a wasteful number, since it uses less digits than its factorization.

77003868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72197 (or 72195 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 77003868 is about 8775.1847843792. The cubic root of 77003868 is about 425.4392100775.

The spelling of 77003868 in words is "seventy-seven million, three thousand, eight hundred sixty-eight".