78824473 has 24 divisors (see below), whose sum is σ = 101824128. Its totient is φ = 59634432.

The previous prime is 78824453. The next prime is 78824477. The reversal of 78824473 is 37442887.

It is not a de Polignac number, because 78824473 - 2⁵ = 78824441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78824477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25761 + ... + 28657.

It is an arithmetic number, because the mean of its divisors is an integer number (4242672).

Almost surely, 2^78824473 is an apocalyptic number.

It is an amenable number.

78824473 is a deficient number, since it is larger than the sum of its proper divisors (22999655).

78824473 is a wasteful number, since it uses less digits than its factorization.

78824473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2940 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 78824473 is about 8878.3147612596. The cubic root of 78824473 is about 428.7660187189.

It can be divided in two parts, 78824 and 473, that added together give a palindrome (79297).

The spelling of 78824473 in words is "seventy-eight million, eight hundred twenty-four thousand, four hundred seventy-three".