872756490 has 16 divisors (see below), whose sum is σ = 2094615648. Its totient is φ = 232735056.

The previous prime is 872756477. The next prime is 872756491. The reversal of 872756490 is 94657278.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (872756491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14545912 + ... + 14545971.

It is an arithmetic number, because the mean of its divisors is an integer number (130913478).

Almost surely, 2^872756490 is an apocalyptic number.

872756490 is an abundant number, since it is smaller than the sum of its proper divisors (1221859158).

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

872756490 is a wasteful number, since it uses less digits than its factorization.

872756490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091893.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 872756490 is about 29542.4523355797. The cubic root of 872756490 is about 955.6474288254.

The spelling of 872756490 in words is "eight hundred seventy-two million, seven hundred fifty-six thousand, four hundred ninety".