78559995 has 8 divisors (see below), whose sum is σ = 125696016. Its totient is φ = 41898656.

The previous prime is 78559961. The next prime is 78559997. The reversal of 78559995 is 59995587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78559995 - 2⁶ = 78559931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78559997) 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, 2618652 + ... + 2618681.

It is an arithmetic number, because the mean of its divisors is an integer number (15712002).

Almost surely, 2^78559995 is an apocalyptic number.

78559995 is a deficient number, since it is larger than the sum of its proper divisors (47136021).

78559995 is a wasteful number, since it uses less digits than its factorization.

78559995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237341.

The product of its digits is 5103000, while the sum is 57.

The square root of 78559995 is about 8863.4076404056. The cubic root of 78559995 is about 428.2859383567.

The spelling of 78559995 in words is "seventy-eight million, five hundred fifty-nine thousand, nine hundred ninety-five".