9957383910 has 24 divisors (see below), whose sum is σ = 25889198400. Its totient is φ = 2655302352.

The previous prime is 9957383783. The next prime is 9957383911. The reversal of 9957383910 is 193837599.

9957383910 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9957383910² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957383911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55318710 + ... + 55318889.

It is an arithmetic number, because the mean of its divisors is an integer number (1078716600).

Almost surely, 2^9957383910 is an apocalyptic number.

9957383910 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9957383910 is an abundant number, since it is smaller than the sum of its proper divisors (15931814490).

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

9957383910 is a wasteful number, since it uses less digits than its factorization.

9957383910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110637612 (or 110637609 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 9957383910 is about 99786.6920485893. The cubic root of 9957383910 is about 2151.3698794703.

The spelling of 9957383910 in words is "nine billion, nine hundred fifty-seven million, three hundred eighty-three thousand, nine hundred ten".