83685504001637 has 8 divisors (see below), whose sum is σ = 83895104147712. Its totient is φ = 83476110463200.

The previous prime is 83685504001633. The next prime is 83685504001679. The reversal of 83685504001637 is 73610040558638.

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

It is a cyclic number.

It is not a de Polignac number, because 83685504001637 - 2² = 83685504001633 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 (83685504001633) 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, 50840789 + ... + 52461002.

It is an arithmetic number, because the mean of its divisors is an integer number (10486888018464).

Almost surely, 2^{83685504001637} is an apocalyptic number.

It is an amenable number.

83685504001637 is a deficient number, since it is larger than the sum of its proper divisors (209600146075).

83685504001637 is a wasteful number, since it uses less digits than its factorization.

83685504001637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103303819.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 83685504001637 in words is "eighty-three trillion, six hundred eighty-five billion, five hundred four million, one thousand, six hundred thirty-seven".