857047537430 has 288 divisors, whose sum is σ = 1937573174880. Its totient is φ = 271998397440.

The previous prime is 857047537429. The next prime is 857047537433. The reversal of 857047537430 is 34735740758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857047537433) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1059390866 + ... + 1059391674.

It is an arithmetic number, because the mean of its divisors is an integer number (6727684635).

Almost surely, 2^857047537430 is an apocalyptic number.

857047537430 is an abundant number, since it is smaller than the sum of its proper divisors (1080525637450).

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

857047537430 is a wasteful number, since it uses less digits than its factorization.

857047537430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 857047537430 in words is "eight hundred fifty-seven billion, forty-seven million, five hundred thirty-seven thousand, four hundred thirty".