77992334 has 16 divisors (see below), whose sum is σ = 134930400. Its totient is φ = 33117984.

The previous prime is 77992307. The next prime is 77992363. The reversal of 77992334 is 43329977.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24029 + ... + 27080.

It is an arithmetic number, because the mean of its divisors is an integer number (8433150).

Almost surely, 2^77992334 is an apocalyptic number.

77992334 is a deficient number, since it is larger than the sum of its proper divisors (56938066).

77992334 is a wasteful number, since it uses less digits than its factorization.

77992334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51227.

The product of its digits is 285768, while the sum is 44.

The square root of 77992334 is about 8831.3268538765. The cubic root of 77992334 is about 427.2518701892.

The spelling of 77992334 in words is "seventy-seven million, nine hundred ninety-two thousand, three hundred thirty-four".