104719271887 has 2 divisors, whose sum is σ = 104719271888. Its totient is φ = 104719271886.

The previous prime is 104719271863. The next prime is 104719271927. The reversal of 104719271887 is 788172917401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104719271887 - 2¹⁹ = 104718747599 is a prime.

It is a super-2 number, since 2×104719271887² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104719271827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52359635943 + 52359635944.

It is an arithmetic number, because the mean of its divisors is an integer number (52359635944).

Almost surely, 2^104719271887 is an apocalyptic number.

104719271887 is a deficient number, since it is larger than the sum of its proper divisors (1).

104719271887 is an equidigital number, since it uses as much as digits as its factorization.

104719271887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 55.

The spelling of 104719271887 in words is "one hundred four billion, seven hundred nineteen million, two hundred seventy-one thousand, eight hundred eighty-seven".