83825871440624 has 40 divisors (see below), whose sum is σ = 168018251523120. Its totient is φ = 40466411955200.

The previous prime is 83825871440543. The next prime is 83825871440677. The reversal of 83825871440624 is 42604417852838.

It is a happy number.

It is a super-2 number, since 2×83825871440624² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12334139 + ... + 17882469.

It is an arithmetic number, because the mean of its divisors is an integer number (4200456288078).

Almost surely, 2^{83825871440624} is an apocalyptic number.

It is an amenable number.

83825871440624 is an abundant number, since it is smaller than the sum of its proper divisors (84192380082496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83825871440624 is a wasteful number, since it uses less digits than its factorization.

83825871440624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580929 (or 5580923 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 62.

The spelling of 83825871440624 in words is "eighty-three trillion, eight hundred twenty-five billion, eight hundred seventy-one million, four hundred forty thousand, six hundred twenty-four".