78768284958 has 96 divisors (see below), whose sum is σ = 193654416384. Its totient is φ = 22922640000.

The previous prime is 78768284957. The next prime is 78768284963. The reversal of 78768284958 is 85948286787.

78768284958 is a `hidden beast` number, since 78 + 7 + 68 + 2 + 8 + 495 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78768284957) 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 47 ways as a sum of consecutive naturals, for example, 755098 + ... + 853058.

It is an arithmetic number, because the mean of its divisors is an integer number (2017233504).

Almost surely, 2^78768284958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78768284958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96827208192).

78768284958 is an abundant number, since it is smaller than the sum of its proper divisors (114886131426).

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

78768284958 is a wasteful number, since it uses less digits than its factorization.

78768284958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98142 (or 98139 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 78768284958 in words is "seventy-eight billion, seven hundred sixty-eight million, two hundred eighty-four thousand, nine hundred fifty-eight".