78808282 has 16 divisors (see below), whose sum is σ = 136365120. Its totient is φ = 33458688.

The previous prime is 78808241. The next prime is 78808307. The reversal of 78808282 is 28280887.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24807 + ... + 27802.

It is an arithmetic number, because the mean of its divisors is an integer number (8522820).

Almost surely, 2^78808282 is an apocalyptic number.

78808282 is a deficient number, since it is larger than the sum of its proper divisors (57556838).

78808282 is a wasteful number, since it uses less digits than its factorization.

78808282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52725.

The product of its (nonzero) digits is 114688, while the sum is 43.

The square root of 78808282 is about 8877.4028859797. The cubic root of 78808282 is about 428.7366597067.

The spelling of 78808282 in words is "seventy-eight million, eight hundred eight thousand, two hundred eighty-two".