83704757136 has 320 divisors, whose sum is σ = 299703484416. Its totient is φ = 19421337600.

The previous prime is 83704757077. The next prime is 83704757189. The reversal of 83704757136 is 63175740738.

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 63 ways as a sum of consecutive naturals, for example, 1461390 + ... + 1517586.

Almost surely, 2^83704757136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83704757136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149851742208).

83704757136 is an abundant number, since it is smaller than the sum of its proper divisors (215998727280).

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

83704757136 is a wasteful number, since it uses less digits than its factorization.

83704757136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56270 (or 56264 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 83704757136 in words is "eighty-three billion, seven hundred four million, seven hundred fifty-seven thousand, one hundred thirty-six".