791658371 has 4 divisors (see below), whose sum is σ = 904752432. Its totient is φ = 678564312.

The previous prime is 791658359. The next prime is 791658433. The reversal of 791658371 is 173856197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 791658371 - 2¹⁴ = 791641987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791658341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56547020 + ... + 56547033.

It is an arithmetic number, because the mean of its divisors is an integer number (226188108).

Almost surely, 2^791658371 is an apocalyptic number.

791658371 is a deficient number, since it is larger than the sum of its proper divisors (113094061).

791658371 is a wasteful number, since it uses less digits than its factorization.

791658371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113094060.

The product of its digits is 317520, while the sum is 47.

The square root of 791658371 is about 28136.4242753055. The cubic root of 791658371 is about 925.0799525729.

The spelling of 791658371 in words is "seven hundred ninety-one million, six hundred fifty-eight thousand, three hundred seventy-one".