8457491910 has 64 divisors (see below), whose sum is σ = 23219546112. Its totient is φ = 1931319936.

The previous prime is 8457491873. The next prime is 8457491923. The reversal of 8457491910 is 191947548.

It is a self number, because there is not a number n which added to its sum of digits gives 8457491910.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211107 + ... + 247953.

It is an arithmetic number, because the mean of its divisors is an integer number (362805408).

Almost surely, 2^8457491910 is an apocalyptic number.

8457491910 is an abundant number, since it is smaller than the sum of its proper divisors (14762054202).

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

8457491910 is a wasteful number, since it uses less digits than its factorization.

8457491910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37957.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 8457491910 is about 91964.6231439025. The cubic root of 8457491910 is about 2037.4198373119.

The spelling of 8457491910 in words is "eight billion, four hundred fifty-seven million, four hundred ninety-one thousand, nine hundred ten".