201791882 has 16 divisors (see below), whose sum is σ = 310044672. Its totient is φ = 98464080.

The previous prime is 201791879. The next prime is 201791899. The reversal of 201791882 is 288197102.

It is a super-2 number, since 2×201791882² = 81439927282203848, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 15263 + ... + 25229.

It is an arithmetic number, because the mean of its divisors is an integer number (19377792).

Almost surely, 2^201791882 is an apocalyptic number.

201791882 is a deficient number, since it is larger than the sum of its proper divisors (108252790).

201791882 is a wasteful number, since it uses less digits than its factorization.

201791882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 201791882 is about 14205.3469510604. The cubic root of 201791882 is about 586.5448558365.

The spelling of 201791882 in words is "two hundred one million, seven hundred ninety-one thousand, eight hundred eighty-two".