83515719967 has 2 divisors, whose sum is σ = 83515719968. Its totient is φ = 83515719966.

The previous prime is 83515719949. The next prime is 83515719983. The reversal of 83515719967 is 76991751538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83515719967 - 2⁷ = 83515719839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83515719907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41757859983 + 41757859984.

It is an arithmetic number, because the mean of its divisors is an integer number (41757859984).

Almost surely, 2^83515719967 is an apocalyptic number.

83515719967 is a deficient number, since it is larger than the sum of its proper divisors (1).

83515719967 is an equidigital number, since it uses as much as digits as its factorization.

83515719967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14288400, while the sum is 61.

The spelling of 83515719967 in words is "eighty-three billion, five hundred fifteen million, seven hundred nineteen thousand, nine hundred sixty-seven".