78066027 has 48 divisors (see below), whose sum is σ = 126846720. Its totient is φ = 45952704.

The previous prime is 78066007. The next prime is 78066047. The reversal of 78066027 is 72066087.

It is an interprime number because it is at equal distance from previous prime (78066007) and next prime (78066047).

It is not a de Polignac number, because 78066027 - 2⁶ = 78065963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78065982 and 78066000.

It is not an unprimeable number, because it can be changed into a prime (78066007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296698 + ... + 296960.

It is an arithmetic number, because the mean of its divisors is an integer number (2642640).

Almost surely, 2^78066027 is an apocalyptic number.

78066027 is a deficient number, since it is larger than the sum of its proper divisors (48780693).

78066027 is a wasteful number, since it uses less digits than its factorization.

78066027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 78066027 is about 8835.4981183859. The cubic root of 78066027 is about 427.3863943535.

The spelling of 78066027 in words is "seventy-eight million, sixty-six thousand, twenty-seven".