871080100 has 36 divisors (see below), whose sum is σ = 2062086768. Its totient is φ = 316756000.

The previous prime is 871080083. The next prime is 871080101. The reversal of 871080100 is 1080178.

871080100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (871080101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394846 + ... + 397045.

It is an arithmetic number, because the mean of its divisors is an integer number (57280188).

Almost surely, 2^871080100 is an apocalyptic number.

It is an amenable number.

871080100 is an abundant number, since it is smaller than the sum of its proper divisors (1191006668).

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

871080100 is a wasteful number, since it uses less digits than its factorization.

871080100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791916 (or 791909 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 871080100 is about 29514.0661380298. The cubic root of 871080100 is about 955.0351676970.

The spelling of 871080100 in words is "eight hundred seventy-one million, eighty thousand, one hundred".