857730130497 has 16 divisors (see below), whose sum is σ = 1311701992960. Its totient is φ = 553374277200.

The previous prime is 857730130483. The next prime is 857730130529. The reversal of 857730130497 is 794031037758.

857730130497 is a `hidden beast` number, since 8 + 57 + 73 + 0 + 1 + 30 + 497 = 666.

It is not a de Polignac number, because 857730130497 - 2⁸ = 857730130241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857730131497) 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, 512382754 + ... + 512384427.

It is an arithmetic number, because the mean of its divisors is an integer number (81981374560).

Almost surely, 2^857730130497 is an apocalyptic number.

It is an amenable number.

857730130497 is a deficient number, since it is larger than the sum of its proper divisors (453971862463).

857730130497 is a wasteful number, since it uses less digits than its factorization.

857730130497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024767221 (or 1024767215 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 857730130497 in words is "eight hundred fifty-seven billion, seven hundred thirty million, one hundred thirty thousand, four hundred ninety-seven".