78896583745 has 16 divisors (see below), whose sum is σ = 108583378560. Its totient is φ = 53909339904.

The previous prime is 78896583743. The next prime is 78896583749. The reversal of 78896583745 is 54738569887.

It is not a de Polignac number, because 78896583745 - 2¹ = 78896583743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78896583743) 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, 3972760 + ... + 3992569.

It is an arithmetic number, because the mean of its divisors is an integer number (6786461160).

Almost surely, 2^78896583745 is an apocalyptic number.

It is an amenable number.

78896583745 is a deficient number, since it is larger than the sum of its proper divisors (29686794815).

78896583745 is a wasteful number, since it uses less digits than its factorization.

78896583745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965624.

The product of its digits is 406425600, while the sum is 70.

The spelling of 78896583745 in words is "seventy-eight billion, eight hundred ninety-six million, five hundred eighty-three thousand, seven hundred forty-five".