79250057401 has 4 divisors (see below), whose sum is σ = 79687903204. Its totient is φ = 78812211600.

The previous prime is 79250057347. The next prime is 79250057417. The reversal of 79250057401 is 10475005297.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21926205625 + 57323851776 = 148075^2 + 239424^2 .

It is a cyclic number.

It is not a de Polignac number, because 79250057401 - 2¹³ = 79250049209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79250057441) 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, 218922630 + ... + 218922991.

It is an arithmetic number, because the mean of its divisors is an integer number (19921975801).

Almost surely, 2^79250057401 is an apocalyptic number.

It is an amenable number.

79250057401 is a deficient number, since it is larger than the sum of its proper divisors (437845803).

79250057401 is a wasteful number, since it uses less digits than its factorization.

79250057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437845802.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 79250057401 in words is "seventy-nine billion, two hundred fifty million, fifty-seven thousand, four hundred one".