78907054845 has 16 divisors (see below), whose sum is σ = 131740474752. Its totient is φ = 40254033600.

The previous prime is 78907054823. The next prime is 78907054847. The reversal of 78907054845 is 54845070987.

It is not a de Polignac number, because 78907054845 - 2⁵ = 78907054813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78907054847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114357706 + ... + 114358395.

It is an arithmetic number, because the mean of its divisors is an integer number (8233779672).

Almost surely, 2^78907054845 is an apocalyptic number.

It is an amenable number.

78907054845 is a deficient number, since it is larger than the sum of its proper divisors (52833419907).

78907054845 is a wasteful number, since it uses less digits than its factorization.

78907054845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228716132.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 78907054845 in words is "seventy-eight billion, nine hundred seven million, fifty-four thousand, eight hundred forty-five".