78232027 has 2 divisors, whose sum is σ = 78232028. Its totient is φ = 78232026.

The previous prime is 78231997. The next prime is 78232031. The reversal of 78232027 is 72023287.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78232027 - 2¹¹ = 78229979 is a prime.

It is a super-2 number, since 2×78232027² = 12240500097057458, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78232027.

It is not a weakly prime, because it can be changed into another prime (78232057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39116013 + 39116014.

It is an arithmetic number, because the mean of its divisors is an integer number (39116014).

Almost surely, 2^78232027 is an apocalyptic number.

78232027 is a deficient number, since it is larger than the sum of its proper divisors (1).

78232027 is an equidigital number, since it uses as much as digits as its factorization.

78232027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 78232027 is about 8844.8870541121. The cubic root of 78232027 is about 427.6891120946.

It can be divided in two parts, 7823202 and 7, that added together give a square (7823209 = 2797²).

The spelling of 78232027 in words is "seventy-eight million, two hundred thirty-two thousand, twenty-seven".