78832824847 has 16 divisors (see below), whose sum is σ = 95453716032. Its totient is φ = 63556646400.

The previous prime is 78832824841. The next prime is 78832824857. The reversal of 78832824847 is 74842823887.

It is a cyclic number.

It is not a de Polignac number, because 78832824847 - 2³ = 78832824839 is a prime.

It is a super-2 number, since 2×78832824847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78832824841) 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, 13404 + ... + 397297.

It is an arithmetic number, because the mean of its divisors is an integer number (5965857252).

Almost surely, 2^78832824847 is an apocalyptic number.

78832824847 is a deficient number, since it is larger than the sum of its proper divisors (16620891185).

78832824847 is a wasteful number, since it uses less digits than its factorization.

78832824847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412338.

The product of its digits is 38535168, while the sum is 61.

The spelling of 78832824847 in words is "seventy-eight billion, eight hundred thirty-two million, eight hundred twenty-four thousand, eight hundred forty-seven".