83123686774205 has 32 divisors (see below), whose sum is σ = 124363985188608. Its totient is φ = 51816399206400.

The previous prime is 83123686774199. The next prime is 83123686774307. The reversal of 83123686774205 is 50247768632138.

It is not a de Polignac number, because 83123686774205 - 2¹⁶ = 83123686708669 is a prime.

It is a super-2 number, since 2×83123686774205² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18998765 + ... + 22960845.

It is an arithmetic number, because the mean of its divisors is an integer number (3886374537144).

Almost surely, 2^{83123686774205} is an apocalyptic number.

It is an amenable number.

83123686774205 is a deficient number, since it is larger than the sum of its proper divisors (41240298414403).

83123686774205 is a wasteful number, since it uses less digits than its factorization.

83123686774205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016597.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 83123686774205 in words is "eighty-three trillion, one hundred twenty-three billion, six hundred eighty-six million, seven hundred seventy-four thousand, two hundred five".