83704775007 has 8 divisors (see below), whose sum is σ = 127550133376. Its totient is φ = 47831299992.

The previous prime is 83704774999. The next prime is 83704775017. The reversal of 83704775007 is 70057740738.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83704775007 - 2³ = 83704774999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83704775017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992970813 + ... + 1992970854.

It is an arithmetic number, because the mean of its divisors is an integer number (15943766672).

Almost surely, 2^83704775007 is an apocalyptic number.

83704775007 is a deficient number, since it is larger than the sum of its proper divisors (43845358369).

83704775007 is a wasteful number, since it uses less digits than its factorization.

83704775007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985941677.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 83704775007 in words is "eighty-three billion, seven hundred four million, seven hundred seventy-five thousand, seven".