83861752882512 has 120 divisors (see below), whose sum is σ = 241142385205120. Its totient is φ = 25090973107200.

The previous prime is 83861752882483. The next prime is 83861752882549. The reversal of 83861752882512 is 21528825716838.

It is a Harshad number since it is a multiple of its sum of digits (66).

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 23 ways as a sum of consecutive naturals, for example, 90927289 + ... + 91844952.

Almost surely, 2^{83861752882512} is an apocalyptic number.

It is an amenable number.

83861752882512 is an abundant number, since it is smaller than the sum of its proper divisors (157280632322608).

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

83861752882512 is a wasteful number, since it uses less digits than its factorization.

83861752882512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182772353 (or 182772336 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 66.

The spelling of 83861752882512 in words is "eighty-three trillion, eight hundred sixty-one billion, seven hundred fifty-two million, eight hundred eighty-two thousand, five hundred twelve".