87433667 has 2 divisors, whose sum is σ = 87433668. Its totient is φ = 87433666.

The previous prime is 87433651. The next prime is 87433691. The reversal of 87433667 is 76633478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87433667 - 2⁴ = 87433651 is a prime.

It is a super-2 number, since 2×87433667² = 15289292250133778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87433067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43716833 + 43716834.

It is an arithmetic number, because the mean of its divisors is an integer number (43716834).

Almost surely, 2^87433667 is an apocalyptic number.

87433667 is a deficient number, since it is larger than the sum of its proper divisors (1).

87433667 is an equidigital number, since it uses as much as digits as its factorization.

87433667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 87433667 is about 9350.5971467067. The cubic root of 87433667 is about 443.8397871082.

The spelling of 87433667 in words is "eighty-seven million, four hundred thirty-three thousand, six hundred sixty-seven".