8542572387 has 16 divisors (see below), whose sum is σ = 11996146560. Its totient is φ = 5392351872.

The previous prime is 8542572331. The next prime is 8542572407. The reversal of 8542572387 is 7832752458.

It is not a de Polignac number, because 8542572387 - 2¹⁵ = 8542539619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8542572287) 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, 66283 + ... + 146555.

It is an arithmetic number, because the mean of its divisors is an integer number (749759160).

Almost surely, 2^8542572387 is an apocalyptic number.

8542572387 is a deficient number, since it is larger than the sum of its proper divisors (3453574173).

8542572387 is a wasteful number, since it uses less digits than its factorization.

8542572387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82162.

The product of its digits is 3763200, while the sum is 51.

The square root of 8542572387 is about 92426.0373866585. The cubic root of 8542572387 is about 2044.2290510016.

The spelling of 8542572387 in words is "eight billion, five hundred forty-two million, five hundred seventy-two thousand, three hundred eighty-seven".