83508974290004 has 6 divisors (see below), whose sum is σ = 146140705007514. Its totient is φ = 41754487145000.

The previous prime is 83508974289997. The next prime is 83508974290019. The reversal of 83508974290004 is 40009247980538.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63628540562500 + 19880433727504 = 7976750^2 + 4458748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10438621786247 + ... + 10438621786254.

It is an arithmetic number, because the mean of its divisors is an integer number (24356784167919).

Almost surely, 2^{83508974290004} is an apocalyptic number.

It is an amenable number.

83508974290004 is a deficient number, since it is larger than the sum of its proper divisors (62631730717510).

83508974290004 is a wasteful number, since it uses less digits than its factorization.

83508974290004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20877243572505 (or 20877243572503 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 83508974290004 in words is "eighty-three trillion, five hundred eight billion, nine hundred seventy-four million, two hundred ninety thousand, four".