9880990079 has 8 divisors (see below), whose sum is σ = 9907782768. Its totient is φ = 9854222400.

The previous prime is 9880990051. The next prime is 9880990111. The reversal of 9880990079 is 9700990889.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9880990079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9880900079) 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, 993029 + ... + 1002929.

It is an arithmetic number, because the mean of its divisors is an integer number (1238472846).

Almost surely, 2^9880990079 is an apocalyptic number.

9880990079 is a deficient number, since it is larger than the sum of its proper divisors (26792689).

9880990079 is a wasteful number, since it uses less digits than its factorization.

9880990079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505.

The product of its (nonzero) digits is 2939328, while the sum is 59.

The square root of 9880990079 is about 99403.1693609414. The cubic root of 9880990079 is about 2145.8539228452.

The spelling of 9880990079 in words is "nine billion, eight hundred eighty million, nine hundred ninety thousand, seventy-nine".