104190010787 has 4 divisors (see below), whose sum is σ = 108720011280. Its totient is φ = 99660010296.

The previous prime is 104190010783. The next prime is 104190010807. The reversal of 104190010787 is 787010091401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104190010787 - 2² = 104190010783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104190010787.

It is not an unprimeable number, because it can be changed into a prime (104190010781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2265000212 + ... + 2265000257.

It is an arithmetic number, because the mean of its divisors is an integer number (27180002820).

Almost surely, 2^104190010787 is an apocalyptic number.

104190010787 is a deficient number, since it is larger than the sum of its proper divisors (4530000493).

104190010787 is an equidigital number, since it uses as much as digits as its factorization.

104190010787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530000492.

The product of its (nonzero) digits is 14112, while the sum is 38.

The spelling of 104190010787 in words is "one hundred four billion, one hundred ninety million, ten thousand, seven hundred eighty-seven".