87243683 has 2 divisors, whose sum is σ = 87243684. Its totient is φ = 87243682.

The previous prime is 87243659. The next prime is 87243691. The reversal of 87243683 is 38634278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87243683 - 2⁶ = 87243619 is a prime.

It is a super-2 number, since 2×87243683² = 15222920446808978, 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 87243683.

It is not a weakly prime, because it can be changed into another prime (87246683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43621841 + 43621842.

It is an arithmetic number, because the mean of its divisors is an integer number (43621842).

Almost surely, 2^87243683 is an apocalyptic number.

87243683 is a deficient number, since it is larger than the sum of its proper divisors (1).

87243683 is an equidigital number, since it uses as much as digits as its factorization.

87243683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 87243683 is about 9340.4326987565. The cubic root of 87243683 is about 443.5180818681.

The spelling of 87243683 in words is "eighty-seven million, two hundred forty-three thousand, six hundred eighty-three".