80419687 has 2 divisors, whose sum is σ = 80419688. Its totient is φ = 80419686.

The previous prime is 80419657. The next prime is 80419699. The reversal of 80419687 is 78691408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80419687 - 2¹⁵ = 80386919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80419607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40209843 + 40209844.

It is an arithmetic number, because the mean of its divisors is an integer number (40209844).

Almost surely, 2^80419687 is an apocalyptic number.

80419687 is a deficient number, since it is larger than the sum of its proper divisors (1).

80419687 is an equidigital number, since it uses as much as digits as its factorization.

80419687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 80419687 is about 8967.7024370794. The cubic root of 80419687 is about 431.6391144012.

The spelling of 80419687 in words is "eighty million, four hundred nineteen thousand, six hundred eighty-seven".