83756839522 has 8 divisors (see below), whose sum is σ = 125721729756. Its totient is φ = 41849596272.

The previous prime is 83756839489. The next prime is 83756839553. The reversal of 83756839522 is 22593865738.

It can be written as a sum of positive squares in 2 ways, for example, as 70649108401 + 13107731121 = 265799^2 + 114489^2 .

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

It is a super-2 number, since 2×83756839522² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14408113 + ... + 14413924.

Almost surely, 2^83756839522 is an apocalyptic number.

83756839522 is a deficient number, since it is larger than the sum of its proper divisors (41964890234).

83756839522 is a wasteful number, since it uses less digits than its factorization.

83756839522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28823492.

The product of its digits is 21772800, while the sum is 58.

The spelling of 83756839522 in words is "eighty-three billion, seven hundred fifty-six million, eight hundred thirty-nine thousand, five hundred twenty-two".