78875063 has 4 divisors (see below), whose sum is σ = 78903000. Its totient is φ = 78847128.

The previous prime is 78875059. The next prime is 78875089. The reversal of 78875063 is 36057887.

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 78875063 - 2² = 78875059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78875003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9188 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (19725750).

Almost surely, 2^78875063 is an apocalyptic number.

78875063 is a deficient number, since it is larger than the sum of its proper divisors (27937).

78875063 is a wasteful number, since it uses less digits than its factorization.

78875063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27936.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78875063 is about 8881.1633809991. The cubic root of 78875063 is about 428.8577272673.

The spelling of 78875063 in words is "seventy-eight million, eight hundred seventy-five thousand, sixty-three".