83388387625 has 16 divisors (see below), whose sum is σ = 104176036224. Its totient is φ = 66641910000.

The previous prime is 83388387619. The next prime is 83388387637. The reversal of 83388387625 is 52678388338.

It is a happy number.

It is not a de Polignac number, because 83388387625 - 2⁷ = 83388387497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222141 + ... + 464890.

It is an arithmetic number, because the mean of its divisors is an integer number (6511002264).

Almost surely, 2^83388387625 is an apocalyptic number.

It is an amenable number.

83388387625 is a deficient number, since it is larger than the sum of its proper divisors (20787648599).

83388387625 is an equidigital number, since it uses as much as digits as its factorization.

83388387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688017 (or 688007 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 83388387625 in words is "eighty-three billion, three hundred eighty-eight million, three hundred eighty-seven thousand, six hundred twenty-five".