78093827 has 8 divisors (see below), whose sum is σ = 90170976. Its totient is φ = 66246912.

The previous prime is 78093811. The next prime is 78093833. The reversal of 78093827 is 72839087.

It is a happy number.

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 78093827 - 2⁴ = 78093811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78093877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56828 + ... + 58185.

It is an arithmetic number, because the mean of its divisors is an integer number (11271372).

Almost surely, 2^78093827 is an apocalyptic number.

78093827 is a deficient number, since it is larger than the sum of its proper divisors (12077149).

78093827 is a wasteful number, since it uses less digits than its factorization.

78093827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115117.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 78093827 is about 8837.0711777149. The cubic root of 78093827 is about 427.4371203528.

The spelling of 78093827 in words is "seventy-eight million, ninety-three thousand, eight hundred twenty-seven".