80630687 has 2 divisors, whose sum is σ = 80630688. Its totient is φ = 80630686.

The previous prime is 80630657. The next prime is 80630689. The reversal of 80630687 is 78603608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80630687 - 2¹⁶ = 80565151 is a prime.

Together with 80630689, it forms a pair of twin primes.

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 80630687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80630689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315343 + 40315344.

It is an arithmetic number, because the mean of its divisors is an integer number (40315344).

Almost surely, 2^80630687 is an apocalyptic number.

80630687 is a deficient number, since it is larger than the sum of its proper divisors (1).

80630687 is an equidigital number, since it uses as much as digits as its factorization.

80630687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 80630687 is about 8979.4591707964. The cubic root of 80630687 is about 432.0162870374.

The spelling of 80630687 in words is "eighty million, six hundred thirty thousand, six hundred eighty-seven".