78563085 has 24 divisors (see below), whose sum is σ = 128486496. Its totient is φ = 40991520.

The previous prime is 78563077. The next prime is 78563129. The reversal of 78563085 is 58036587.

It is not a de Polignac number, because 78563085 - 2³ = 78563077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31950 + ... + 34320.

It is an arithmetic number, because the mean of its divisors is an integer number (5353604).

Almost surely, 2^78563085 is an apocalyptic number.

It is an amenable number.

78563085 is a deficient number, since it is larger than the sum of its proper divisors (49923411).

78563085 is a wasteful number, since it uses less digits than its factorization.

78563085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 78563085 is about 8863.5819508819. The cubic root of 78563085 is about 428.2915535395.

The spelling of 78563085 in words is "seventy-eight million, five hundred sixty-three thousand, eighty-five".