79887263998 has 8 divisors (see below), whose sum is σ = 126137785320. Its totient is φ = 37841335560.

The previous prime is 79887263993. The next prime is 79887264001. The reversal of 79887263998 is 89936278897.

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

It is a super-2 number, since 2×79887263998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79887263993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051148173 + ... + 1051148248.

It is an arithmetic number, because the mean of its divisors is an integer number (15767223165).

Almost surely, 2^79887263998 is an apocalyptic number.

79887263998 is a deficient number, since it is larger than the sum of its proper divisors (46250521322).

79887263998 is a wasteful number, since it uses less digits than its factorization.

79887263998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102296442.

The product of its digits is 658409472, while the sum is 76.

The spelling of 79887263998 in words is "seventy-nine billion, eight hundred eighty-seven million, two hundred sixty-three thousand, nine hundred ninety-eight".