83874240693 has 10 divisors (see below), whose sum is σ = 125293618934. Its totient is φ = 55916160408.

The previous prime is 83874240601. The next prime is 83874240707. The reversal of 83874240693 is 39604247838.

83874240693 is a `hidden beast` number, since 83 + 8 + 74 + 2 + 406 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60072539409 + 23801701284 = 245097^2 + 154278^2 .

It is not a de Polignac number, because 83874240693 - 2¹⁷ = 83874109621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83874240193) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 517742146 + ... + 517742307.

Almost surely, 2^83874240693 is an apocalyptic number.

It is an amenable number.

83874240693 is a deficient number, since it is larger than the sum of its proper divisors (41419378241).

83874240693 is a wasteful number, since it uses less digits than its factorization.

83874240693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035484465 (or 1035484456 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 83874240693 in words is "eighty-three billion, eight hundred seventy-four million, two hundred forty thousand, six hundred ninety-three".