791992971 has 80 divisors (see below), whose sum is σ = 1539445248. Its totient is φ = 393465600.

The previous prime is 791992967. The next prime is 791993047. The reversal of 791992971 is 179299197.

It is not a de Polignac number, because 791992971 - 2² = 791992967 is a prime.

It is a super-2 number, since 2×791992971² = 1254505732226813682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791992171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 140691 + ... + 146211.

Almost surely, 2^791992971 is an apocalyptic number.

791992971 is a deficient number, since it is larger than the sum of its proper divisors (747452277).

791992971 is a wasteful number, since it uses less digits than its factorization.

791992971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5565 counting only the distinct ones).

The product of its digits is 642978, while the sum is 54.

The square root of 791992971 is about 28142.3696763439. The cubic root of 791992971 is about 925.2102647400.

The spelling of 791992971 in words is "seven hundred ninety-one million, nine hundred ninety-two thousand, nine hundred seventy-one".