83774996987159 has 2 divisors, whose sum is σ = 83774996987160. Its totient is φ = 83774996987158.

The previous prime is 83774996987111. The next prime is 83774996987177. The reversal of 83774996987159 is 95178969947738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83774996987159 - 2³⁶ = 83706277510423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83774996987179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887498493579 + 41887498493580.

It is an arithmetic number, because the mean of its divisors is an integer number (41887498493580).

Almost surely, 2^{83774996987159} is an apocalyptic number.

83774996987159 is a deficient number, since it is larger than the sum of its proper divisors (1).

83774996987159 is an equidigital number, since it uses as much as digits as its factorization.

83774996987159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51849745920, while the sum is 92.

The spelling of 83774996987159 in words is "eighty-three trillion, seven hundred seventy-four billion, nine hundred ninety-six million, nine hundred eighty-seven thousand, one hundred fifty-nine".