872567290 has 32 divisors (see below), whose sum is σ = 1803533184. Its totient is φ = 297743040.

The previous prime is 872567287. The next prime is 872567299. The reversal of 872567290 is 92765278.

It is a super-2 number, since 2×872567290² = 1522747351155888200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 872567290.

It is not an unprimeable number, because it can be changed into a prime (872567299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14769 + ... + 44308.

It is an arithmetic number, because the mean of its divisors is an integer number (56360412).

Almost surely, 2^872567290 is an apocalyptic number.

872567290 is the 14770-th decagonal number.

872567290 is an abundant number, since it is smaller than the sum of its proper divisors (930965894).

872567290 is a wasteful number, since it uses less digits than its factorization.

872567290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59302.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 872567290 is about 29539.2499904788. The cubic root of 872567290 is about 955.5783673470.

The spelling of 872567290 in words is "eight hundred seventy-two million, five hundred sixty-seven thousand, two hundred ninety".