78317745468 has 48 divisors (see below), whose sum is σ = 193574181024. Its totient is φ = 24559697920.

The previous prime is 78317745461. The next prime is 78317745509. The reversal of 78317745468 is 86454771387.

It is a super-2 number, since 2×78317745468² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78317745461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399388 + ... + 562268.

It is an arithmetic number, because the mean of its divisors is an integer number (4032795438).

Almost surely, 2^78317745468 is an apocalyptic number.

It is an amenable number.

78317745468 is an abundant number, since it is smaller than the sum of its proper divisors (115256435556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78317745468 is a wasteful number, since it uses less digits than its factorization.

78317745468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165262 (or 165260 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 60.

The spelling of 78317745468 in words is "seventy-eight billion, three hundred seventeen million, seven hundred forty-five thousand, four hundred sixty-eight".