80678263 has 2 divisors, whose sum is σ = 80678264. Its totient is φ = 80678262.

The previous prime is 80678249. The next prime is 80678267. The reversal of 80678263 is 36287608.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80678263 - 2⁵ = 80678231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80678267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40339131 + 40339132.

It is an arithmetic number, because the mean of its divisors is an integer number (40339132).

Almost surely, 2^80678263 is an apocalyptic number.

80678263 is a deficient number, since it is larger than the sum of its proper divisors (1).

80678263 is an equidigital number, since it uses as much as digits as its factorization.

80678263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 80678263 is about 8982.1079374499. The cubic root of 80678263 is about 432.1012404897.

The spelling of 80678263 in words is "eighty million, six hundred seventy-eight thousand, two hundred sixty-three".