78067827 has 32 divisors (see below), whose sum is σ = 125696000. Its totient is φ = 47705760.

The previous prime is 78067771. The next prime is 78067841. The reversal of 78067827 is 72876087.

It is not a de Polignac number, because 78067827 - 2⁶ = 78067763 is a prime.

It is a super-2 number, since 2×78067827² = 12189171225003858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78067867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13449 + ... + 18357.

It is an arithmetic number, because the mean of its divisors is an integer number (3928000).

Almost surely, 2^78067827 is an apocalyptic number.

78067827 is a deficient number, since it is larger than the sum of its proper divisors (47628173).

78067827 is a wasteful number, since it uses less digits than its factorization.

78067827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 78067827 is about 8835.5999796279. The cubic root of 78067827 is about 427.3896791353.

The spelling of 78067827 in words is "seventy-eight million, sixty-seven thousand, eight hundred twenty-seven".