78465534285324 has 12 divisors (see below), whose sum is σ = 183086246665784. Its totient is φ = 26155178095104.

The previous prime is 78465534285317. The next prime is 78465534285329. The reversal of 78465534285324 is 42358243556487.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×78465534285324² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78465534285329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269397261877 + ... + 3269397261900.

Almost surely, 2^{78465534285324} is an apocalyptic number.

It is an amenable number.

78465534285324 is an abundant number, since it is smaller than the sum of its proper divisors (104620712380460).

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

78465534285324 is a wasteful number, since it uses less digits than its factorization.

78465534285324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538794523784 (or 6538794523782 counting only the distinct ones).

The product of its digits is 774144000, while the sum is 66.

The spelling of 78465534285324 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred thirty-four million, two hundred eighty-five thousand, three hundred twenty-four".