104778219147 has 24 divisors (see below), whose sum is σ = 171066484800. Its totient is φ = 56722041936.

The previous prime is 104778219113. The next prime is 104778219149. The reversal of 104778219147 is 741912877401.

It is a happy number.

It is not a de Polignac number, because 104778219147 - 2²⁴ = 104761441931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104778219147.

It is not an unprimeable number, because it can be changed into a prime (104778219149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18754497 + ... + 18760082.

It is an arithmetic number, because the mean of its divisors is an integer number (7127770200).

Almost surely, 2^104778219147 is an apocalyptic number.

104778219147 is a deficient number, since it is larger than the sum of its proper divisors (66288265653).

104778219147 is a wasteful number, since it uses less digits than its factorization.

104778219147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514615 (or 37514608 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 104778219147 in words is "one hundred four billion, seven hundred seventy-eight million, two hundred nineteen thousand, one hundred forty-seven".