78855482 has 4 divisors (see below), whose sum is σ = 118283226. Its totient is φ = 39427740.

The previous prime is 78855457. The next prime is 78855499. The reversal of 78855482 is 28455887.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47596201 + 31259281 = 6899^2 + 5591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19713869 + ... + 19713872.

Almost surely, 2^78855482 is an apocalyptic number.

78855482 is a deficient number, since it is larger than the sum of its proper divisors (39427744).

78855482 is a wasteful number, since it uses less digits than its factorization.

78855482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39427743.

The product of its digits is 716800, while the sum is 47.

The square root of 78855482 is about 8880.0609232144. The cubic root of 78855482 is about 428.8222358719.

The spelling of 78855482 in words is "seventy-eight million, eight hundred fifty-five thousand, four hundred eighty-two".