78745708 has 6 divisors (see below), whose sum is σ = 137804996. Its totient is φ = 39372852.

The previous prime is 78745691. The next prime is 78745729. The reversal of 78745708 is 80754787.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9843210 + ... + 9843217.

Almost surely, 2^78745708 is an apocalyptic number.

It is an amenable number.

78745708 is a deficient number, since it is larger than the sum of its proper divisors (59059288).

78745708 is a wasteful number, since it uses less digits than its factorization.

78745708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19686431 (or 19686429 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 78745708 is about 8873.8778445503. The cubic root of 78745708 is about 428.6231569519.

The spelling of 78745708 in words is "seventy-eight million, seven hundred forty-five thousand, seven hundred eight".