39789609104 has 40 divisors (see below), whose sum is σ = 88338125760. Its totient is φ = 17007677568.

The previous prime is 39789609061. The next prime is 39789609133. The reversal of 39789609104 is 40190698793.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 39789609104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426239 + ... + 511134.

It is an arithmetic number, because the mean of its divisors is an integer number (2208453144).

Almost surely, 2^39789609104 is an apocalyptic number.

It is an amenable number.

39789609104 is an abundant number, since it is smaller than the sum of its proper divisors (48548516656).

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

39789609104 is a wasteful number, since it uses less digits than its factorization.

39789609104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937767 (or 937761 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 39789609104 in words is "thirty-nine billion, seven hundred eighty-nine million, six hundred nine thousand, one hundred four".