8454978250 has 32 divisors (see below), whose sum is σ = 16515892224. Its totient is φ = 3234946000.

The previous prime is 8454978241. The next prime is 8454978253. The reversal of 8454978250 is 528794548.

It is not an unprimeable number, because it can be changed into a prime (8454978253) 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, 729466 + ... + 740965.

It is an arithmetic number, because the mean of its divisors is an integer number (516121632).

Almost surely, 2^8454978250 is an apocalyptic number.

8454978250 is a deficient number, since it is larger than the sum of its proper divisors (8060913974).

8454978250 is a wasteful number, since it uses less digits than its factorization.

8454978250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470471 (or 1470461 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The square root of 8454978250 is about 91950.9556774697. The cubic root of 8454978250 is about 2037.2179694191.

The spelling of 8454978250 in words is "eight billion, four hundred fifty-four million, nine hundred seventy-eight thousand, two hundred fifty".