78846680273845 has 16 divisors (see below), whose sum is σ = 103304429034048. Its totient is φ = 57294730935040.

The previous prime is 78846680273783. The next prime is 78846680273899. The reversal of 78846680273845 is 54837208664887.

It is a happy number.

It is not a de Polignac number, because 78846680273845 - 2²⁵ = 78846646719413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603799924 + ... + 603930493.

It is an arithmetic number, because the mean of its divisors is an integer number (6456526814628).

Almost surely, 2^{78846680273845} is an apocalyptic number.

It is an amenable number.

78846680273845 is a deficient number, since it is larger than the sum of its proper divisors (24457748760203).

78846680273845 is a wasteful number, since it uses less digits than its factorization.

78846680273845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207731620.

The product of its (nonzero) digits is 3468165120, while the sum is 76.

The spelling of 78846680273845 in words is "seventy-eight trillion, eight hundred forty-six billion, six hundred eighty million, two hundred seventy-three thousand, eight hundred forty-five".