8572157930 has 32 divisors (see below), whose sum is σ = 18044256384. Its totient is φ = 2870675136.

The previous prime is 8572157921. The next prime is 8572157941. The reversal of 8572157930 is 397512758.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420937 + ... + 1426956.

It is an arithmetic number, because the mean of its divisors is an integer number (563883012).

Almost surely, 2^8572157930 is an apocalyptic number.

8572157930 is an abundant number, since it is smaller than the sum of its proper divisors (9472098454).

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

8572157930 is a wasteful number, since it uses less digits than its factorization.

8572157930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847950.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 8572157930 is about 92585.9488799461. The cubic root of 8572157930 is about 2046.5862621539.

The spelling of 8572157930 in words is "eight billion, five hundred seventy-two million, one hundred fifty-seven thousand, nine hundred thirty".