79970881645124 has 24 divisors (see below), whose sum is σ = 147385983225600. Its totient is φ = 37862635044960.

The previous prime is 79970881645121. The next prime is 79970881645141. The reversal of 79970881645124 is 42154618807997.

It is a happy number.

It is a super-2 number, since 2×79970881645124² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79970881645121) 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, 254131892 + ... + 254446379.

It is an arithmetic number, because the mean of its divisors is an integer number (6141082634400).

Almost surely, 2^{79970881645124} is an apocalyptic number.

It is an amenable number.

79970881645124 is a deficient number, since it is larger than the sum of its proper divisors (67415101580476).

79970881645124 is a wasteful number, since it uses less digits than its factorization.

79970881645124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508580363 (or 508580361 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 71.

The spelling of 79970881645124 in words is "seventy-nine trillion, nine hundred seventy billion, eight hundred eighty-one million, six hundred forty-five thousand, one hundred twenty-four".