79361957 has 4 divisors (see below), whose sum is σ = 79431360. Its totient is φ = 79292556.

The previous prime is 79361881. The next prime is 79361959. The reversal of 79361957 is 75916397.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79361957 - 2¹⁴ = 79345573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79361959) 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 3 ways as a sum of consecutive naturals, for example, 32957 + ... + 35282.

It is an arithmetic number, because the mean of its divisors is an integer number (19857840).

Almost surely, 2^79361957 is an apocalyptic number.

It is an amenable number.

79361957 is a deficient number, since it is larger than the sum of its proper divisors (69403).

79361957 is a wasteful number, since it uses less digits than its factorization.

79361957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69402.

The product of its digits is 357210, while the sum is 47.

The square root of 79361957 is about 8908.5328197184. The cubic root of 79361957 is about 429.7383607551.

The spelling of 79361957 in words is "seventy-nine million, three hundred sixty-one thousand, nine hundred fifty-seven".