83155405420703 has 24 divisors (see below), whose sum is σ = 104475072145920. Its totient is φ = 64786873813200.

The previous prime is 83155405420657. The next prime is 83155405420727. The reversal of 83155405420703 is 30702450455138.

It is not a de Polignac number, because 83155405420703 - 2²⁶ = 83155338311839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83155405423703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1476443 + ... + 12980396.

It is an arithmetic number, because the mean of its divisors is an integer number (4353128006080).

Almost surely, 2^{83155405420703} is an apocalyptic number.

83155405420703 is a deficient number, since it is larger than the sum of its proper divisors (21319666725217).

83155405420703 is a wasteful number, since it uses less digits than its factorization.

83155405420703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463659 (or 14463648 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 83155405420703 in words is "eighty-three trillion, one hundred fifty-five billion, four hundred five million, four hundred twenty thousand, seven hundred three".