83107517145547 has 4 divisors (see below), whose sum is σ = 83109340164160. Its totient is φ = 83105694126936.

The previous prime is 83107517145529. The next prime is 83107517145563. The reversal of 83107517145547 is 74554171570138.

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

It is a cyclic number.

It is not a de Polignac number, because 83107517145547 - 2²³ = 83107508756939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83107517145491 and 83107517145500.

It is not an unprimeable number, because it can be changed into a prime (83107517146547) 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, 911440923 + ... + 911532100.

It is an arithmetic number, because the mean of its divisors is an integer number (20777335041040).

Almost surely, 2^{83107517145547} is an apocalyptic number.

83107517145547 is a deficient number, since it is larger than the sum of its proper divisors (1823018613).

83107517145547 is a wasteful number, since it uses less digits than its factorization.

83107517145547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823018612.

The product of its (nonzero) digits is 16464000, while the sum is 58.

The spelling of 83107517145547 in words is "eighty-three trillion, one hundred seven billion, five hundred seventeen million, one hundred forty-five thousand, five hundred forty-seven".