78283432134504 has 128 divisors (see below), whose sum is σ = 222097299264000. Its totient is φ = 25537362054912.

The previous prime is 78283432134469. The next prime is 78283432134511. The reversal of 78283432134504 is 40543123438287.

78283432134504 is a `hidden beast` number, since 7 + 8 + 2 + 83 + 4 + 3 + 21 + 34 + 504 = 666.

It is a super-2 number, since 2×78283432134504² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 138485622 + ... + 139049754.

It is an arithmetic number, because the mean of its divisors is an integer number (1735135150500).

Almost surely, 2^{78283432134504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78283432134504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111048649632000).

78283432134504 is an abundant number, since it is smaller than the sum of its proper divisors (143813867129496).

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

78283432134504 is a wasteful number, since it uses less digits than its factorization.

78283432134504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577864 (or 577854 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 78283432134504 in words is "seventy-eight trillion, two hundred eighty-three billion, four hundred thirty-two million, one hundred thirty-four thousand, five hundred four".