78027286 has 12 divisors (see below), whose sum is σ = 117704772. Its totient is φ = 38793524.

The previous prime is 78027283. The next prime is 78027311. The reversal of 78027286 is 68272087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78027283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113901 + ... + 114583.

It is an arithmetic number, because the mean of its divisors is an integer number (9808731).

Almost surely, 2^78027286 is an apocalyptic number.

78027286 is a deficient number, since it is larger than the sum of its proper divisors (39677486).

78027286 is an equidigital number, since it uses as much as digits as its factorization.

78027286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 78027286 is about 8833.3054968115. The cubic root of 78027286 is about 427.3156844830.

The spelling of 78027286 in words is "seventy-eight million, twenty-seven thousand, two hundred eighty-six".