870961850 has 48 divisors (see below), whose sum is σ = 1871237376. Its totient is φ = 298080000.

The previous prime is 870961849. The next prime is 870961873. The reversal of 870961850 is 58169078.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37226 + ... + 55925.

It is an arithmetic number, because the mean of its divisors is an integer number (38984112).

Almost surely, 2^870961850 is an apocalyptic number.

870961850 is an abundant number, since it is smaller than the sum of its proper divisors (1000275526).

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

870961850 is a wasteful number, since it uses less digits than its factorization.

870961850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93191 (or 93186 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 870961850 is about 29512.0627879516. The cubic root of 870961850 is about 954.9919500797.

The spelling of 870961850 in words is "eight hundred seventy million, nine hundred sixty-one thousand, eight hundred fifty".