83791713 has 8 divisors (see below), whose sum is σ = 111764800. Its totient is φ = 55839888.

The previous prime is 83791711. The next prime is 83791723. The reversal of 83791713 is 31719738.

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 83791713 - 2¹ = 83791711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83791711) 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, 11343 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (13970600).

Almost surely, 2^83791713 is an apocalyptic number.

It is an amenable number.

83791713 is a deficient number, since it is larger than the sum of its proper divisors (27973087).

83791713 is a wasteful number, since it uses less digits than its factorization.

83791713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631.

The product of its digits is 31752, while the sum is 39.

The square root of 83791713 is about 9153.7813498029. The cubic root of 83791713 is about 437.5896314861.

The spelling of 83791713 in words is "eighty-three million, seven hundred ninety-one thousand, seven hundred thirteen".