9995700990 has 64 divisors (see below), whose sum is σ = 26182559232. Its totient is φ = 2422089600.

The previous prime is 9995700971. The next prime is 9995701033. The reversal of 9995700990 is 990075999.

It is a self number, because there is not a number n which added to its sum of digits gives 9995700990.

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 31 ways as a sum of consecutive naturals, for example, 889044 + ... + 900216.

It is an arithmetic number, because the mean of its divisors is an integer number (409102488).

Almost surely, 2^9995700990 is an apocalyptic number.

9995700990 is an abundant number, since it is smaller than the sum of its proper divisors (16186858242).

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

9995700990 is a wasteful number, since it uses less digits than its factorization.

9995700990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905.

The product of its (nonzero) digits is 2066715, while the sum is 57.

The square root of 9995700990 is about 99978.5026393174. The cubic root of 9995700990 is about 2154.1259145708.

The spelling of 9995700990 in words is "nine billion, nine hundred ninety-five million, seven hundred thousand, nine hundred ninety".