8447250990 has 32 divisors (see below), whose sum is σ = 20278823040. Its totient is φ = 2251997984.

The previous prime is 8447250967. The next prime is 8447251003. The reversal of 8447250990 is 990527448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82741 + ... + 154079.

It is an arithmetic number, because the mean of its divisors is an integer number (633713220).

Almost surely, 2^8447250990 is an apocalyptic number.

8447250990 is an abundant number, since it is smaller than the sum of its proper divisors (11831572050).

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

8447250990 is a wasteful number, since it uses less digits than its factorization.

8447250990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75296.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 8447250990 is about 91908.9276947566. The cubic root of 8447250990 is about 2036.5971552420.

The spelling of 8447250990 in words is "eight billion, four hundred forty-seven million, two hundred fifty thousand, nine hundred ninety".