8541868372 has 6 divisors (see below), whose sum is σ = 14948269658. Its totient is φ = 4270934184.

The previous prime is 8541868367. The next prime is 8541868411. The reversal of 8541868372 is 2738681458.

It can be written as a sum of positive squares in only one way, i.e., 7794064656 + 747803716 = 88284^2 + 27346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067733543 + ... + 1067733550.

Almost surely, 2^8541868372 is an apocalyptic number.

It is an amenable number.

8541868372 is a deficient number, since it is larger than the sum of its proper divisors (6406401286).

8541868372 is a wasteful number, since it uses less digits than its factorization.

8541868372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135467097 (or 2135467095 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 8541868372 is about 92422.2287764150. The cubic root of 8541868372 is about 2044.1728927631.

The spelling of 8541868372 in words is "eight billion, five hundred forty-one million, eight hundred sixty-eight thousand, three hundred seventy-two".