83607120013 has 4 divisors (see below), whose sum is σ = 84217391100. Its totient is φ = 82996848928.

The previous prime is 83607120007. The next prime is 83607120019. The reversal of 83607120013 is 31002170638.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83607120007) and next prime (83607120019).

It can be written as a sum of positive squares in 2 ways, for example, as 67731624009 + 15875496004 = 260253^2 + 125998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83607120013 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 (83607120019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305135338 + ... + 305135611.

It is an arithmetic number, because the mean of its divisors is an integer number (21054347775).

Almost surely, 2^83607120013 is an apocalyptic number.

It is an amenable number.

83607120013 is a deficient number, since it is larger than the sum of its proper divisors (610271087).

83607120013 is a wasteful number, since it uses less digits than its factorization.

83607120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610271086.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 83607120013 in words is "eighty-three billion, six hundred seven million, one hundred twenty thousand, thirteen".