79254772683865 has 8 divisors (see below), whose sum is σ = 95106482598528. Its totient is φ = 63403314561840.

The previous prime is 79254772683767. The next prime is 79254772683869. The reversal of 79254772683865 is 56838627745297.

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

It is not a de Polignac number, because 79254772683865 - 2⁹ = 79254772683353 is a prime.

It is a super-2 number, since 2×79254772683865² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79254772683869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62254987 + ... + 63515296.

It is an arithmetic number, because the mean of its divisors is an integer number (11888310324816).

Almost surely, 2^{79254772683865} is an apocalyptic number.

It is an amenable number.

79254772683865 is a deficient number, since it is larger than the sum of its proper divisors (15851709914663).

79254772683865 is a wasteful number, since it uses less digits than its factorization.

79254772683865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125896319.

The product of its digits is 8534937600, while the sum is 79.

The spelling of 79254772683865 in words is "seventy-nine trillion, two hundred fifty-four billion, seven hundred seventy-two million, six hundred eighty-three thousand, eight hundred sixty-five".