83881990970 has 32 divisors (see below), whose sum is σ = 158951220480. Its totient is φ = 31783475520.

The previous prime is 83881990943. The next prime is 83881991029. The reversal of 83881990970 is 7909918838.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2447855 + ... + 2481885.

It is an arithmetic number, because the mean of its divisors is an integer number (4967225640).

Almost surely, 2^83881990970 is an apocalyptic number.

83881990970 is a deficient number, since it is larger than the sum of its proper divisors (75069229510).

83881990970 is a wasteful number, since it uses less digits than its factorization.

83881990970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47030.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 83881990970 in words is "eighty-three billion, eight hundred eighty-one million, nine hundred ninety thousand, nine hundred seventy".