79412158822501 has 8 divisors (see below), whose sum is σ = 79708097702520. Its totient is φ = 79116225323712.

The previous prime is 79412158822441. The next prime is 79412158822511. The reversal of 79412158822501 is 10522885121497.

It is a Cunningham number, because it is equal to 8911350²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5224927356100 + 74187231466401 = 2285810^2 + 8613201^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79412158822501 - 2²³ = 79412150433893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79412158822511) 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, 29543031 + ... + 32118763.

It is an arithmetic number, because the mean of its divisors is an integer number (9963512212815).

Almost surely, 2^{79412158822501} is an apocalyptic number.

It is an amenable number.

79412158822501 is a deficient number, since it is larger than the sum of its proper divisors (295938880019).

79412158822501 is a wasteful number, since it uses less digits than its factorization.

79412158822501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690615.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 79412158822501 in words is "seventy-nine trillion, four hundred twelve billion, one hundred fifty-eight million, eight hundred twenty-two thousand, five hundred one".