83117488474667 has 2 divisors, whose sum is σ = 83117488474668. Its totient is φ = 83117488474666.

The previous prime is 83117488474661. The next prime is 83117488474679. The reversal of 83117488474667 is 76647488471138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83117488474667 - 2¹² = 83117488470571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83117488474594 and 83117488474603.

It is not a weakly prime, because it can be changed into another prime (83117488474661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41558744237333 + 41558744237334.

It is an arithmetic number, because the mean of its divisors is an integer number (41558744237334).

Almost surely, 2^{83117488474667} is an apocalyptic number.

83117488474667 is a deficient number, since it is larger than the sum of its proper divisors (1).

83117488474667 is an equidigital number, since it uses as much as digits as its factorization.

83117488474667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1213857792, while the sum is 74.

The spelling of 83117488474667 in words is "eighty-three trillion, one hundred seventeen billion, four hundred eighty-eight million, four hundred seventy-four thousand, six hundred sixty-seven".