79091787401 has 8 divisors (see below), whose sum is σ = 86285939808. Its totient is φ = 71898300000.

The previous prime is 79091787367. The next prime is 79091787403. The reversal of 79091787401 is 10478719097.

It is a happy number.

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 79091787401 - 2⁶ = 79091787337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79091787403) 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, 101141 + ... + 410381.

It is an arithmetic number, because the mean of its divisors is an integer number (10785742476).

Almost surely, 2^79091787401 is an apocalyptic number.

It is an amenable number.

79091787401 is a deficient number, since it is larger than the sum of its proper divisors (7194152407).

79091787401 is a wasteful number, since it uses less digits than its factorization.

79091787401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332503.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 79091787401 in words is "seventy-nine billion, ninety-one million, seven hundred eighty-seven thousand, four hundred one".