83700847838 has 8 divisors (see below), whose sum is σ = 126539864832. Its totient is φ = 41520892896.

The previous prime is 83700847817. The next prime is 83700847843. The reversal of 83700847838 is 83874800738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164765195 + ... + 164765702.

It is an arithmetic number, because the mean of its divisors is an integer number (15817483104).

Almost surely, 2^83700847838 is an apocalyptic number.

83700847838 is a deficient number, since it is larger than the sum of its proper divisors (42839016994).

83700847838 is a wasteful number, since it uses less digits than its factorization.

83700847838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329531026.

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 83700847838 in words is "eighty-three billion, seven hundred million, eight hundred forty-seven thousand, eight hundred thirty-eight".