9816979075 has 12 divisors (see below), whose sum is σ = 12174789960. Its totient is φ = 7852463360.

The previous prime is 9816979061. The next prime is 9816979091. The reversal of 9816979075 is 5709796189.

It is not a de Polignac number, because 9816979075 - 2⁵ = 9816979043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181587 + ... + 229363.

It is an arithmetic number, because the mean of its divisors is an integer number (1014565830).

Almost surely, 2^9816979075 is an apocalyptic number.

9816979075 is a deficient number, since it is larger than the sum of its proper divisors (2357810885).

9816979075 is a wasteful number, since it uses less digits than its factorization.

9816979075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56006 (or 56001 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 61.

The square root of 9816979075 is about 99080.6695324572. The cubic root of 9816979075 is about 2141.2101254663.

The spelling of 9816979075 in words is "nine billion, eight hundred sixteen million, nine hundred seventy-nine thousand, seventy-five".