104887897919 has 8 divisors (see below), whose sum is σ = 119876434080. Its totient is φ = 89900499456.

The previous prime is 104887897859. The next prime is 104887897973. The reversal of 104887897919 is 919798788401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104887897919 is a prime.

It is a super-2 number, since 2×104887897919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104887897519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76754 + ... + 464399.

It is an arithmetic number, because the mean of its divisors is an integer number (14984554260).

Almost surely, 2^104887897919 is an apocalyptic number.

104887897919 is a deficient number, since it is larger than the sum of its proper divisors (14988536161).

104887897919 is an equidigital number, since it uses as much as digits as its factorization.

104887897919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568849.

The product of its (nonzero) digits is 73156608, while the sum is 71.

The spelling of 104887897919 in words is "one hundred four billion, eight hundred eighty-seven million, eight hundred ninety-seven thousand, nine hundred nineteen".