872462178 has 80 divisors (see below), whose sum is σ = 2351891520. Its totient is φ = 236149344.

The previous prime is 872462177. The next prime is 872462189. The reversal of 872462178 is 871264278.

It is a super-2 number, since 2×872462178² = 1522380504081007368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872462177) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1300 + ... + 41792.

It is an arithmetic number, because the mean of its divisors is an integer number (29398644).

Almost surely, 2^872462178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872462178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175945760).

872462178 is an abundant number, since it is smaller than the sum of its proper divisors (1479429342).

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

872462178 is a wasteful number, since it uses less digits than its factorization.

872462178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40533 (or 40524 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 872462178 is about 29537.4707448014. The cubic root of 872462178 is about 955.5399952206.

The spelling of 872462178 in words is "eight hundred seventy-two million, four hundred sixty-two thousand, one hundred seventy-eight".