104178719648986 has 4 divisors (see below), whose sum is σ = 156268079473482. Its totient is φ = 52089359824492.

The previous prime is 104178719648959. The next prime is 104178719649101. The reversal of 104178719648986 is 689846917871401.

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

It can be written as a sum of positive squares in only one way, i.e., 103919042776761 + 259676872225 = 10194069^2 + 509585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26044679912245 + ... + 26044679912248.

Almost surely, 2^{104178719648986} is an apocalyptic number.

104178719648986 is a deficient number, since it is larger than the sum of its proper divisors (52089359824496).

104178719648986 is an equidigital number, since it uses as much as digits as its factorization.

104178719648986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52089359824495.

The product of its (nonzero) digits is 1170505728, while the sum is 79.

The spelling of 104178719648986 in words is "one hundred four trillion, one hundred seventy-eight billion, seven hundred nineteen million, six hundred forty-eight thousand, nine hundred eighty-six".