78847405104 has 80 divisors (see below), whose sum is σ = 228894849792. Its totient is φ = 23205921024.

The previous prime is 78847405097. The next prime is 78847405121. The reversal of 78847405104 is 40150474887.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2732562 + ... + 2761265.

Almost surely, 2^78847405104 is an apocalyptic number.

It is an amenable number.

78847405104 is an abundant number, since it is smaller than the sum of its proper divisors (150047444688).

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

78847405104 is a wasteful number, since it uses less digits than its factorization.

78847405104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493874 (or 5493868 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 78847405104 in words is "seventy-eight billion, eight hundred forty-seven million, four hundred five thousand, one hundred four".