872891480 has 16 divisors (see below), whose sum is σ = 1964005920. Its totient is φ = 349156576.

The previous prime is 872891449. The next prime is 872891501. The reversal of 872891480 is 84198278.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10911104 + ... + 10911183.

It is an arithmetic number, because the mean of its divisors is an integer number (122750370).

Almost surely, 2^872891480 is an apocalyptic number.

It is an amenable number.

872891480 is an abundant number, since it is smaller than the sum of its proper divisors (1091114440).

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

872891480 is a wasteful number, since it uses less digits than its factorization.

872891480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21822298 (or 21822294 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 872891480 is about 29544.7369255507. The cubic root of 872891480 is about 955.6966965564.

The spelling of 872891480 in words is "eight hundred seventy-two million, eight hundred ninety-one thousand, four hundred eighty".