83680811619495 has 16 divisors (see below), whose sum is σ = 133891302219360. Its totient is φ = 44629098321024.

The previous prime is 83680811619443. The next prime is 83680811619499. The reversal of 83680811619495 is 59491611808638.

It is not a de Polignac number, because 83680811619495 - 2⁷ = 83680811619367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83680811619499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40705660 + ... + 42711969.

It is an arithmetic number, because the mean of its divisors is an integer number (8368206388710).

Almost surely, 2^{83680811619495} is an apocalyptic number.

83680811619495 is a deficient number, since it is larger than the sum of its proper divisors (50210490599865).

83680811619495 is a wasteful number, since it uses less digits than its factorization.

83680811619495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83484514.

The product of its (nonzero) digits is 89579520, while the sum is 69.

The spelling of 83680811619495 in words is "eighty-three trillion, six hundred eighty billion, eight hundred eleven million, six hundred nineteen thousand, four hundred ninety-five".