78522338 has 8 divisors (see below), whose sum is σ = 118253520. Its totient is φ = 39104500.

The previous prime is 78522329. The next prime is 78522361. The reversal of 78522338 is 83322587.

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

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, 77708 + ... + 78711.

It is an arithmetic number, because the mean of its divisors is an integer number (14781690).

Almost surely, 2^78522338 is an apocalyptic number.

78522338 is a deficient number, since it is larger than the sum of its proper divisors (39731182).

78522338 is a wasteful number, since it uses less digits than its factorization.

78522338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156672.

The product of its digits is 80640, while the sum is 38.

The square root of 78522338 is about 8861.2830899368. The cubic root of 78522338 is about 428.2174957981.

The spelling of 78522338 in words is "seventy-eight million, five hundred twenty-two thousand, three hundred thirty-eight".