69064087 has 2 divisors, whose sum is σ = 69064088. Its totient is φ = 69064086.

The previous prime is 69064067. The next prime is 69064111. The reversal of 69064087 is 78046096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69064087 - 2¹¹ = 69062039 is a prime.

It is a super-2 number, since 2×69064087² = 9539696226287138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69064027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34532043 + 34532044.

It is an arithmetic number, because the mean of its divisors is an integer number (34532044).

Almost surely, 2^69064087 is an apocalyptic number.

69064087 is a deficient number, since it is larger than the sum of its proper divisors (1).

69064087 is an equidigital number, since it uses as much as digits as its factorization.

69064087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 69064087 is about 8310.4805516889. The cubic root of 69064087 is about 410.2835377613.

Subtracting 69064087 from its reverse (78046096), we obtain a square (8982009 = 2997²).

The spelling of 69064087 in words is "sixty-nine million, sixty-four thousand, eighty-seven".