104778248715 has 48 divisors (see below), whose sum is σ = 219770186688. Its totient is φ = 45081059328.

The previous prime is 104778248699. The next prime is 104778248767. The reversal of 104778248715 is 517842877401.

It is a happy number.

104778248715 is a `hidden beast` number, since 1 + 0 + 4 + 77 + 82 + 487 + 15 = 666.

It is not a de Polignac number, because 104778248715 - 2⁴ = 104778248699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9777862 + ... + 9788571.

It is an arithmetic number, because the mean of its divisors is an integer number (4578545556).

Almost surely, 2^104778248715 is an apocalyptic number.

104778248715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104778248715 is an abundant number, since it is smaller than the sum of its proper divisors (114991937973).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104778248715 is a wasteful number, since it uses less digits than its factorization.

104778248715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19566468 (or 19566465 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The spelling of 104778248715 in words is "one hundred four billion, seven hundred seventy-eight million, two hundred forty-eight thousand, seven hundred fifteen".