78441882 has 8 divisors (see below), whose sum is σ = 156883776. Its totient is φ = 26147292.

The previous prime is 78441829. The next prime is 78441911. The reversal of 78441882 is 28814487.

It is a sphenic number, since it is the product of 3 distinct primes.

78441882 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6536818 + ... + 6536829.

It is an arithmetic number, because the mean of its divisors is an integer number (19610472).

Almost surely, 2^78441882 is an apocalyptic number.

78441882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78441882 is a wasteful number, since it uses less digits than its factorization.

78441882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13073652.

The product of its digits is 114688, while the sum is 42.

The square root of 78441882 is about 8856.7421775730. The cubic root of 78441882 is about 428.0711916106.

The spelling of 78441882 in words is "seventy-eight million, four hundred forty-one thousand, eight hundred eighty-two".