64310887 has 2 divisors, whose sum is σ = 64310888. Its totient is φ = 64310886.

The previous prime is 64310879. The next prime is 64310891. The reversal of 64310887 is 78801346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64310887 - 2³ = 64310879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64310867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32155443 + 32155444.

It is an arithmetic number, because the mean of its divisors is an integer number (32155444).

Almost surely, 2^64310887 is an apocalyptic number.

64310887 is a deficient number, since it is larger than the sum of its proper divisors (1).

64310887 is an equidigital number, since it uses as much as digits as its factorization.

64310887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 64310887 is about 8019.4068982687. The cubic root of 64310887 is about 400.6466353435.

The spelling of 64310887 in words is "sixty-four million, three hundred ten thousand, eight hundred eighty-seven".