87069667 has 2 divisors, whose sum is σ = 87069668. Its totient is φ = 87069666.

The previous prime is 87069659. The next prime is 87069701. The reversal of 87069667 is 76696078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87069667 - 2³ = 87069659 is a prime.

It is a super-2 number, since 2×87069667² = 15162253822981778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87069667.

It is not a weakly prime, because it can be changed into another prime (87069617) 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, 43534833 + 43534834.

It is an arithmetic number, because the mean of its divisors is an integer number (43534834).

Almost surely, 2^87069667 is an apocalyptic number.

87069667 is a deficient number, since it is larger than the sum of its proper divisors (1).

87069667 is an equidigital number, since it uses as much as digits as its factorization.

87069667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 87069667 is about 9331.1128489586. The cubic root of 87069667 is about 443.2230056301.

The spelling of 87069667 in words is "eighty-seven million, sixty-nine thousand, six hundred sixty-seven".