78283432134512 has 80 divisors (see below), whose sum is σ = 165676246041600. Its totient is φ = 35537464753920.

The previous prime is 78283432134511. The next prime is 78283432134539. The reversal of 78283432134512 is 21543123438287.

It is a super-2 number, since 2×78283432134512² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78283432134511) 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, 2036119673 + ... + 2036158119.

It is an arithmetic number, because the mean of its divisors is an integer number (2070953075520).

Almost surely, 2^{78283432134512} is an apocalyptic number.

It is an amenable number.

78283432134512 is an abundant number, since it is smaller than the sum of its proper divisors (87392813907088).

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

78283432134512 is a wasteful number, since it uses less digits than its factorization.

78283432134512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53094 (or 53088 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 78283432134512 in words is "seventy-eight trillion, two hundred eighty-three billion, four hundred thirty-two million, one hundred thirty-four thousand, five hundred twelve".