78564295 has 4 divisors (see below), whose sum is σ = 94277160. Its totient is φ = 62851432.

The previous prime is 78564289. The next prime is 78564331. The reversal of 78564295 is 59246587.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78564295 - 2³ = 78564287 is a prime.

It is a congruent number.

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, 7856425 + ... + 7856434.

It is an arithmetic number, because the mean of its divisors is an integer number (23569290).

Almost surely, 2^78564295 is an apocalyptic number.

78564295 is a deficient number, since it is larger than the sum of its proper divisors (15712865).

78564295 is a wasteful number, since it uses less digits than its factorization.

78564295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712864.

The product of its digits is 604800, while the sum is 46.

The square root of 78564295 is about 8863.6502074484. The cubic root of 78564295 is about 428.2937523251.

The spelling of 78564295 in words is "seventy-eight million, five hundred sixty-four thousand, two hundred ninety-five".