79257819254 has 8 divisors (see below), whose sum is σ = 125880065928. Its totient is φ = 37297797280.

The previous prime is 79257819253. The next prime is 79257819269. The reversal of 79257819254 is 45291875297.

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

It is a junction number, because it is equal to n+sod(n) for n = 79257819193 and 79257819202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79257819253) 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, 1165556132 + ... + 1165556199.

It is an arithmetic number, because the mean of its divisors is an integer number (15735008241).

Almost surely, 2^79257819254 is an apocalyptic number.

79257819254 is a deficient number, since it is larger than the sum of its proper divisors (46622246674).

79257819254 is a wasteful number, since it uses less digits than its factorization.

79257819254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331112350.

The product of its digits is 12700800, while the sum is 59.

The spelling of 79257819254 in words is "seventy-nine billion, two hundred fifty-seven million, eight hundred nineteen thousand, two hundred fifty-four".