78883466 has 4 divisors (see below), whose sum is σ = 118325202. Its totient is φ = 39441732.

The previous prime is 78883447. The next prime is 78883487. The reversal of 78883466 is 66438887.

It is a happy number.

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., 43230625 + 35652841 = 6575^2 + 5971^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19720865 + ... + 19720868.

Almost surely, 2^78883466 is an apocalyptic number.

78883466 is a deficient number, since it is larger than the sum of its proper divisors (39441736).

78883466 is a wasteful number, since it uses less digits than its factorization.

78883466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39441735.

The product of its digits is 1548288, while the sum is 50.

The square root of 78883466 is about 8881.6364483129. The cubic root of 78883466 is about 428.8729562611.

The spelling of 78883466 in words is "seventy-eight million, eight hundred eighty-three thousand, four hundred sixty-six".