871246980 has 36 divisors (see below), whose sum is σ = 2642783052. Its totient is φ = 232332480.

The previous prime is 871246973. The next prime is 871246993. The reversal of 871246980 is 89642178.

871246980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108493056 + 762753924 = 10416^2 + 27618^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2419951 + ... + 2420310.

Almost surely, 2^871246980 is an apocalyptic number.

It is an amenable number.

871246980 is an abundant number, since it is smaller than the sum of its proper divisors (1771536072).

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

871246980 is a wasteful number, since it uses less digits than its factorization.

871246980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840276 (or 4840271 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 871246980 is about 29516.8931291896. The cubic root of 871246980 is about 955.0961517911.

The spelling of 871246980 in words is "eight hundred seventy-one million, two hundred forty-six thousand, nine hundred eighty".