86682919 has 2 divisors, whose sum is σ = 86682920. Its totient is φ = 86682918.

The previous prime is 86682907. The next prime is 86682923. The reversal of 86682919 is 91928668.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86682919 - 2⁵ = 86682887 is a prime.

It is a super-2 number, since 2×86682919² = 15027856892721122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86682989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43341459 + 43341460.

It is an arithmetic number, because the mean of its divisors is an integer number (43341460).

Almost surely, 2^86682919 is an apocalyptic number.

86682919 is a deficient number, since it is larger than the sum of its proper divisors (1).

86682919 is an equidigital number, since it uses as much as digits as its factorization.

86682919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 49.

The square root of 86682919 is about 9310.3662119167. The cubic root of 86682919 is about 442.5657922963.

The spelling of 86682919 in words is "eighty-six million, six hundred eighty-two thousand, nine hundred nineteen".