79956943 has 8 divisors (see below), whose sum is σ = 88073856. Its totient is φ = 71981400.

The previous prime is 79956941. The next prime is 79956949. The reversal of 79956943 is 34965997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79956943 - 2¹ = 79956941 is a prime.

It is a super-2 number, since 2×79956943² = 12786225467810498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79956941) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 34153 + ... + 36418.

It is an arithmetic number, because the mean of its divisors is an integer number (11009232).

Almost surely, 2^79956943 is an apocalyptic number.

79956943 is a deficient number, since it is larger than the sum of its proper divisors (8116913).

79956943 is a wasteful number, since it uses less digits than its factorization.

79956943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70685.

The product of its digits is 1837080, while the sum is 52.

The square root of 79956943 is about 8941.8646265754. The cubic root of 79956943 is about 430.8096212217.

The spelling of 79956943 in words is "seventy-nine million, nine hundred fifty-six thousand, nine hundred forty-three".