79357142937 has 4 divisors (see below), whose sum is σ = 105809523920. Its totient is φ = 52904761956.

The previous prime is 79357142929. The next prime is 79357142959. The reversal of 79357142937 is 73924175397.

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 not a de Polignac number, because 79357142937 - 2³ = 79357142929 is a prime.

It is a super-2 number, since 2×79357142937² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79357142237) 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, 13226190487 + ... + 13226190492.

It is an arithmetic number, because the mean of its divisors is an integer number (26452380980).

Almost surely, 2^79357142937 is an apocalyptic number.

It is an amenable number.

79357142937 is a deficient number, since it is larger than the sum of its proper divisors (26452380983).

79357142937 is a wasteful number, since it uses less digits than its factorization.

79357142937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26452380982.

The product of its digits is 10001880, while the sum is 57.

The spelling of 79357142937 in words is "seventy-nine billion, three hundred fifty-seven million, one hundred forty-two thousand, nine hundred thirty-seven".