86870094019 has 2 divisors, whose sum is σ = 86870094020. Its totient is φ = 86870094018.

The previous prime is 86870093977. The next prime is 86870094043. The reversal of 86870094019 is 91049007868.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86870094019 - 2⁹ = 86870093507 is a prime.

It is a super-2 number, since 2×86870094019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86870094079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43435047009 + 43435047010.

It is an arithmetic number, because the mean of its divisors is an integer number (43435047010).

Almost surely, 2^86870094019 is an apocalyptic number.

86870094019 is a deficient number, since it is larger than the sum of its proper divisors (1).

86870094019 is an equidigital number, since it uses as much as digits as its factorization.

86870094019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 86870094019 in words is "eighty-six billion, eight hundred seventy million, ninety-four thousand, nineteen".