8897946990 has 32 divisors (see below), whose sum is σ = 21368460960. Its totient is φ = 2371298304.

The previous prime is 8897946971. The next prime is 8897946991. The reversal of 8897946990 is 996497988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8897946991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43899 + ... + 140438.

It is an arithmetic number, because the mean of its divisors is an integer number (667764405).

Almost surely, 2^8897946990 is an apocalyptic number.

8897946990 is an abundant number, since it is smaller than the sum of its proper divisors (12470513970).

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

8897946990 is a wasteful number, since it uses less digits than its factorization.

8897946990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185956.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The square root of 8897946990 is about 94328.9297617650. The cubic root of 8897946990 is about 2072.1917390814.

The spelling of 8897946990 in words is "eight billion, eight hundred ninety-seven million, nine hundred forty-six thousand, nine hundred ninety".