850249970 has 32 divisors (see below), whose sum is σ = 1600456320. Its totient is φ = 324607360.

The previous prime is 850249931. The next prime is 850249979. The reversal of 850249970 is 79942058.

It is a happy number.

It is a super-2 number, since 2×850249970² = 1445850022970001800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (850249979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109166 + ... + 116694.

It is an arithmetic number, because the mean of its divisors is an integer number (50014260).

Almost surely, 2^850249970 is an apocalyptic number.

850249970 is a deficient number, since it is larger than the sum of its proper divisors (750206350).

850249970 is a wasteful number, since it uses less digits than its factorization.

850249970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 850249970 is about 29159.0461092265. The cubic root of 850249970 is about 947.3610863754.

The spelling of 850249970 in words is "eight hundred fifty million, two hundred forty-nine thousand, nine hundred seventy".