77993092 has 24 divisors (see below), whose sum is σ = 144559296. Its totient is φ = 36741408.

The previous prime is 77993089. The next prime is 77993101. The reversal of 77993092 is 29039977.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 163 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (6023304).

Almost surely, 2^77993092 is an apocalyptic number.

It is an amenable number.

77993092 is a deficient number, since it is larger than the sum of its proper divisors (66566204).

77993092 is a wasteful number, since it uses less digits than its factorization.

77993092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747 (or 12745 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 77993092 is about 8831.3697691808. The cubic root of 77993092 is about 427.2532543247.

The spelling of 77993092 in words is "seventy-seven million, nine hundred ninety-three thousand, ninety-two".