104165794987 has 2 divisors, whose sum is σ = 104165794988. Its totient is φ = 104165794986.

The previous prime is 104165794979. The next prime is 104165795039. The reversal of 104165794987 is 789497561401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104165794987 - 2³ = 104165794979 is a prime.

It is not a weakly prime, because it can be changed into another prime (104165794907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52082897493 + 52082897494.

It is an arithmetic number, because the mean of its divisors is an integer number (52082897494).

Almost surely, 2^104165794987 is an apocalyptic number.

104165794987 is a deficient number, since it is larger than the sum of its proper divisors (1).

104165794987 is an equidigital number, since it uses as much as digits as its factorization.

104165794987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 104165794987 in words is "one hundred four billion, one hundred sixty-five million, seven hundred ninety-four thousand, nine hundred eighty-seven".