78505314 has 16 divisors (see below), whose sum is σ = 157168128. Its totient is φ = 26142192.

The previous prime is 78505313. The next prime is 78505319. The reversal of 78505314 is 41350587.

It is not an unprimeable number, because it can be changed into a prime (78505313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (9823008).

Almost surely, 2^78505314 is an apocalyptic number.

78505314 is an abundant number, since it is smaller than the sum of its proper divisors (78662814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78505314 is a wasteful number, since it uses less digits than its factorization.

78505314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 78505314 is about 8860.3224546288. The cubic root of 78505314 is about 428.1865470612.

The spelling of 78505314 in words is "seventy-eight million, five hundred five thousand, three hundred fourteen".