87466943 has 2 divisors, whose sum is σ = 87466944. Its totient is φ = 87466942.

The previous prime is 87466933. The next prime is 87466949. The reversal of 87466943 is 34966478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87466943 is a prime.

It is a super-2 number, since 2×87466943² = 15300932235530498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87466949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43733471 + 43733472.

It is an arithmetic number, because the mean of its divisors is an integer number (43733472).

Almost surely, 2^87466943 is an apocalyptic number.

87466943 is a deficient number, since it is larger than the sum of its proper divisors (1).

87466943 is an equidigital number, since it uses as much as digits as its factorization.

87466943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 87466943 is about 9352.3763290407. The cubic root of 87466943 is about 443.8960863196.

The spelling of 87466943 in words is "eighty-seven million, four hundred sixty-six thousand, nine hundred forty-three".