78495827 has 4 divisors (see below), whose sum is σ = 78703320. Its totient is φ = 78288336.

The previous prime is 78495811. The next prime is 78495829. The reversal of 78495827 is 72859487.

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 78495827 - 2⁴ = 78495811 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (78495829) 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, 103178 + ... + 103935.

It is an arithmetic number, because the mean of its divisors is an integer number (19675830).

Almost surely, 2^78495827 is an apocalyptic number.

78495827 is a deficient number, since it is larger than the sum of its proper divisors (207493).

78495827 is a wasteful number, since it uses less digits than its factorization.

78495827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207492.

The product of its digits is 1128960, while the sum is 50.

The square root of 78495827 is about 8859.7870741909. The cubic root of 78495827 is about 428.1692982525.

The spelling of 78495827 in words is "seventy-eight million, four hundred ninety-five thousand, eight hundred twenty-seven".