78873282 has 24 divisors (see below), whose sum is σ = 171056496. Its totient is φ = 26265816.

The previous prime is 78873281. The next prime is 78873329. The reversal of 78873282 is 28237887.

It is a super-2 number, since 2×78873282² = 12441989226903048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78873281) 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 11 ways as a sum of consecutive naturals, for example, 32433 + ... + 34779.

It is an arithmetic number, because the mean of its divisors is an integer number (7127354).

Almost surely, 2^78873282 is an apocalyptic number.

78873282 is an abundant number, since it is smaller than the sum of its proper divisors (92183214).

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

78873282 is a wasteful number, since it uses less digits than its factorization.

78873282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4219 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 78873282 is about 8881.0631120379. The cubic root of 78873282 is about 428.8544993719.

The spelling of 78873282 in words is "seventy-eight million, eight hundred seventy-three thousand, two hundred eighty-two".