79146881 has 8 divisors (see below), whose sum is σ = 86500128. Its totient is φ = 71820000.

The previous prime is 79146857. The next prime is 79146911. The reversal of 79146881 is 18864197.

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 79146881 - 2²⁶ = 12038017 is a prime.

It is a super-2 number, since 2×79146881² = 12528457544056322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79146181) 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, 20 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (10812516).

Almost surely, 2^79146881 is an apocalyptic number.

It is an amenable number.

79146881 is a deficient number, since it is larger than the sum of its proper divisors (7353247).

79146881 is a wasteful number, since it uses less digits than its factorization.

79146881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183.

The product of its digits is 96768, while the sum is 44.

The square root of 79146881 is about 8896.4532820670. The cubic root of 79146881 is about 429.3498033533.

The spelling of 79146881 in words is "seventy-nine million, one hundred forty-six thousand, eight hundred eighty-one".