87433651 has 2 divisors, whose sum is σ = 87433652. Its totient is φ = 87433650.

The previous prime is 87433613. The next prime is 87433667. The reversal of 87433651 is 15633478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87433651 - 2⁷ = 87433523 is a prime.

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 87433651.

It is not a weakly prime, because it can be changed into another prime (87433691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43716825 + 43716826.

It is an arithmetic number, because the mean of its divisors is an integer number (43716826).

Almost surely, 2^87433651 is an apocalyptic number.

87433651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87433651 is an equidigital number, since it uses as much as digits as its factorization.

87433651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 87433651 is about 9350.5962911464. The cubic root of 87433651 is about 443.8397600346.

The spelling of 87433651 in words is "eighty-seven million, four hundred thirty-three thousand, six hundred fifty-one".