79043972254 has 16 divisors (see below), whose sum is σ = 134406755280. Its totient is φ = 34561736640.

The previous prime is 79043972219. The next prime is 79043972263. The reversal of 79043972254 is 45227934097.

It is a super-2 number, since 2×79043972254² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80003527 + ... + 80004514.

It is an arithmetic number, because the mean of its divisors is an integer number (8400422205).

Almost surely, 2^79043972254 is an apocalyptic number.

79043972254 is a deficient number, since it is larger than the sum of its proper divisors (55362783026).

79043972254 is a wasteful number, since it uses less digits than its factorization.

79043972254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160008075.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 79043972254 in words is "seventy-nine billion, forty-three million, nine hundred seventy-two thousand, two hundred fifty-four".