9910856372 has 12 divisors (see below), whose sum is σ = 17942067780. Its totient is φ = 4784551296.

The previous prime is 9910856363. The next prime is 9910856383. The reversal of 9910856372 is 2736580199.

It can be written as a sum of positive squares in 2 ways, for example, as 5850108196 + 4060748176 = 76486^2 + 63724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9910856372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42719093 + ... + 42719324.

It is an arithmetic number, because the mean of its divisors is an integer number (1495172315).

Almost surely, 2^9910856372 is an apocalyptic number.

It is an amenable number.

9910856372 is a deficient number, since it is larger than the sum of its proper divisors (8031211408).

9910856372 is a wasteful number, since it uses less digits than its factorization.

9910856372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85438450 (or 85438448 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 9910856372 is about 99553.2840844540. The cubic root of 9910856372 is about 2148.0137684398.

The spelling of 9910856372 in words is "nine billion, nine hundred ten million, eight hundred fifty-six thousand, three hundred seventy-two".