9976879 has 16 divisors (see below), whose sum is σ = 11262240. Its totient is φ = 8760960.

The previous prime is 9976873. The next prime is 9976913. The reversal of 9976879 is 9786799.

9976879 = 1287² + 1288² + ... + 1292².

9976879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9976879 - 2⁵ = 9976847 is a prime.

It is a super-2 number, since 2×9976879² = 199076229161282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63469 + ... + 63625.

It is an arithmetic number, because the mean of its divisors is an integer number (703890).

Almost surely, 2^9976879 is an apocalyptic number.

9976879 is a deficient number, since it is larger than the sum of its proper divisors (1285361).

9976879 is a wasteful number, since it uses less digits than its factorization.

9976879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 1714608, while the sum is 55.

The square root of 9976879 is about 3158.6197935174. The cubic root of 9976879 is about 215.2772985882.

The spelling of 9976879 in words is "nine million, nine hundred seventy-six thousand, eight hundred seventy-nine".