88981168979 has 4 divisors (see below), whose sum is σ = 90200089176. Its totient is φ = 87762248784.

The previous prime is 88981168943. The next prime is 88981169003. The reversal of 88981168979 is 97986118988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88981168979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88981158979) 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, 609459989 + ... + 609460134.

It is an arithmetic number, because the mean of its divisors is an integer number (22550022294).

Almost surely, 2^88981168979 is an apocalyptic number.

88981168979 is a deficient number, since it is larger than the sum of its proper divisors (1218920197).

88981168979 is a wasteful number, since it uses less digits than its factorization.

88981168979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218920196.

The product of its digits is 125411328, while the sum is 74.

The spelling of 88981168979 in words is "eighty-eight billion, nine hundred eighty-one million, one hundred sixty-eight thousand, nine hundred seventy-nine".