77982092 has 6 divisors (see below), whose sum is σ = 136468668. Its totient is φ = 38991044.

The previous prime is 77982089. The next prime is 77982103. The reversal of 77982092 is 29028977.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9747758 + ... + 9747765.

It is an arithmetic number, because the mean of its divisors is an integer number (22744778).

Almost surely, 2^77982092 is an apocalyptic number.

It is an amenable number.

77982092 is a deficient number, since it is larger than the sum of its proper divisors (58486576).

77982092 is a wasteful number, since it uses less digits than its factorization.

77982092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495527 (or 19495525 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 77982092 is about 8830.7469672729. The cubic root of 77982092 is about 427.2331670467.

The spelling of 77982092 in words is "seventy-seven million, nine hundred eighty-two thousand, ninety-two".