78445014 has 16 divisors (see below), whose sum is σ = 157368000. Its totient is φ = 26068680.

The previous prime is 78445009. The next prime is 78445049. The reversal of 78445014 is 41054487.

It is a congruent 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, 17764 + ... + 21735.

It is an arithmetic number, because the mean of its divisors is an integer number (9835500).

Almost surely, 2^78445014 is an apocalyptic number.

78445014 is an abundant number, since it is smaller than the sum of its proper divisors (78922986).

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

78445014 is a wasteful number, since it uses less digits than its factorization.

78445014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39835.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 78445014 is about 8856.9189902584. The cubic root of 78445014 is about 428.0768888270.

The spelling of 78445014 in words is "seventy-eight million, four hundred forty-five thousand, fourteen".