867541872 has 40 divisors (see below), whose sum is σ = 2243733376. Its totient is φ = 288847296.

The previous prime is 867541861. The next prime is 867541879. The reversal of 867541872 is 278145768.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867541879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33573 + ... + 53499.

Almost surely, 2^867541872 is an apocalyptic number.

It is an amenable number.

867541872 is an abundant number, since it is smaller than the sum of its proper divisors (1376191504).

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

867541872 is a wasteful number, since it uses less digits than its factorization.

867541872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20845 (or 20839 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 867541872 is about 29454.0637603710. The cubic root of 867541872 is about 953.7403316499.

The spelling of 867541872 in words is "eight hundred sixty-seven million, five hundred forty-one thousand, eight hundred seventy-two".