8457134892 has 24 divisors (see below), whose sum is σ = 19769805552. Its totient is φ = 2813832000.

The previous prime is 8457134887. The next prime is 8457134923. The reversal of 8457134892 is 2984317548.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644859 + ... + 657842.

It is an arithmetic number, because the mean of its divisors is an integer number (823741898).

Almost surely, 2^8457134892 is an apocalyptic number.

It is an amenable number.

8457134892 is an abundant number, since it is smaller than the sum of its proper divisors (11312670660).

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

8457134892 is a wasteful number, since it uses less digits than its factorization.

8457134892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303249 (or 1303247 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 8457134892 is about 91962.6820618016. The cubic root of 8457134892 is about 2037.3911682218.

The spelling of 8457134892 in words is "eight billion, four hundred fifty-seven million, one hundred thirty-four thousand, eight hundred ninety-two".