78468365534331 has 16 divisors (see below), whose sum is σ = 107458219303200. Its totient is φ = 50895536755968.

The previous prime is 78468365534323. The next prime is 78468365534389. The reversal of 78468365534331 is 13343556386487.

It is a happy number.

It is not a de Polignac number, because 78468365534331 - 2³ = 78468365534323 is a prime.

It is a super-2 number, since 2×78468365534331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78468365534131) 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, 17895066 + ... + 21844223.

It is an arithmetic number, because the mean of its divisors is an integer number (6716138706450).

Almost surely, 2^{78468365534331} is an apocalyptic number.

78468365534331 is a deficient number, since it is larger than the sum of its proper divisors (28989853768869).

78468365534331 is a wasteful number, since it uses less digits than its factorization.

78468365534331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39757118.

The product of its digits is 522547200, while the sum is 66.

The spelling of 78468365534331 in words is "seventy-eight trillion, four hundred sixty-eight billion, three hundred sixty-five million, five hundred thirty-four thousand, three hundred thirty-one".