83754644645738 has 64 divisors (see below), whose sum is σ = 139129496035200. Its totient is φ = 37497702332160.

The previous prime is 83754644645699. The next prime is 83754644645741.

83754644645738 is nontrivially palindromic in base 10.

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, 5709628268 + ... + 5709642936.

It is an arithmetic number, because the mean of its divisors is an integer number (2173898375550).

Almost surely, 2^{83754644645738} is an apocalyptic number.

83754644645738 is a deficient number, since it is larger than the sum of its proper divisors (55374851389462).

83754644645738 is a wasteful number, since it uses less digits than its factorization.

83754644645738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28727.

The product of its digits is 6502809600, while the sum is 74.

The spelling of 83754644645738 in words is "eighty-three trillion, seven hundred fifty-four billion, six hundred forty-four million, six hundred forty-five thousand, seven hundred thirty-eight".