9977715006 has 32 divisors (see below), whose sum is σ = 22827176448. Its totient is φ = 2848154400.

The previous prime is 9977714959. The next prime is 9977715049. The reversal of 9977715006 is 6005177799.

It is a self number, because there is not a number n which added to its sum of digits gives 9977715006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62770 + ... + 154581.

It is an arithmetic number, because the mean of its divisors is an integer number (713349264).

Almost surely, 2^9977715006 is an apocalyptic number.

9977715006 is an abundant number, since it is smaller than the sum of its proper divisors (12849461442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9977715006 is a wasteful number, since it uses less digits than its factorization.

9977715006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218456.

The product of its (nonzero) digits is 833490, while the sum is 51.

The square root of 9977715006 is about 99888.5128831138. The cubic root of 9977715006 is about 2152.8331142672.

The spelling of 9977715006 in words is "nine billion, nine hundred seventy-seven million, seven hundred fifteen thousand, six".