78353594313 has 16 divisors (see below), whose sum is σ = 104959716096. Its totient is φ = 51991724880.

The previous prime is 78353594311. The next prime is 78353594317. The reversal of 78353594313 is 31349535387.

It is not a de Polignac number, because 78353594313 - 2¹ = 78353594311 is a prime.

It is a super-2 number, since 2×78353594313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78353594311) 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, 2958018 + ... + 2984388.

It is an arithmetic number, because the mean of its divisors is an integer number (6559982256).

Almost surely, 2^78353594313 is an apocalyptic number.

It is an amenable number.

78353594313 is a deficient number, since it is larger than the sum of its proper divisors (26606121783).

78353594313 is a wasteful number, since it uses less digits than its factorization.

78353594313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964.

The product of its digits is 4082400, while the sum is 51.

The spelling of 78353594313 in words is "seventy-eight billion, three hundred fifty-three million, five hundred ninety-four thousand, three hundred thirteen".