8991694902 has 16 divisors (see below), whose sum is σ = 18051770880. Its totient is φ = 2985834792.

The previous prime is 8991694891. The next prime is 8991694903. The reversal of 8991694902 is 2094961998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8991694903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847502 + ... + 2850657.

It is an arithmetic number, because the mean of its divisors is an integer number (1128235680).

Almost surely, 2^8991694902 is an apocalyptic number.

8991694902 is an abundant number, since it is smaller than the sum of its proper divisors (9060075978).

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

8991694902 is a wasteful number, since it uses less digits than its factorization.

8991694902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698427.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 8991694902 is about 94824.5479925953. The cubic root of 8991694902 is about 2079.4438002170.

The spelling of 8991694902 in words is "eight billion, nine hundred ninety-one million, six hundred ninety-four thousand, nine hundred two".