78792273 has 24 divisors (see below), whose sum is σ = 135727488. Its totient is φ = 43065792.

The previous prime is 78792269. The next prime is 78792281. The reversal of 78792273 is 37229787.

It is not a de Polignac number, because 78792273 - 2² = 78792269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78792073) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25740 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (5655312).

Almost surely, 2^78792273 is an apocalyptic number.

It is an amenable number.

78792273 is a deficient number, since it is larger than the sum of its proper divisors (56935215).

78792273 is a wasteful number, since it uses less digits than its factorization.

78792273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54413 (or 54410 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 78792273 is about 8876.5011688165. The cubic root of 78792273 is about 428.7076267598.

The spelling of 78792273 in words is "seventy-eight million, seven hundred ninety-two thousand, two hundred seventy-three".