9976407388 has 12 divisors (see below), whose sum is σ = 17473429512. Its totient is φ = 4983998960.

The previous prime is 9976407377. The next prime is 9976407391. The reversal of 9976407388 is 8837046799.

9976407388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045843 + ... + 1055338.

It is an arithmetic number, because the mean of its divisors is an integer number (1456119126).

Almost surely, 2^9976407388 is an apocalyptic number.

It is an amenable number.

9976407388 is a deficient number, since it is larger than the sum of its proper divisors (7497022124).

9976407388 is a wasteful number, since it uses less digits than its factorization.

9976407388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102372 (or 2102370 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 9976407388 is about 99881.9672813867. The cubic root of 9976407388 is about 2152.7390644667.

The spelling of 9976407388 in words is "nine billion, nine hundred seventy-six million, four hundred seven thousand, three hundred eighty-eight".