64608787 has 2 divisors, whose sum is σ = 64608788. Its totient is φ = 64608786.

The previous prime is 64608751. The next prime is 64608809. The reversal of 64608787 is 78780646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64608787 - 2¹⁹ = 64084499 is a prime.

It is a super-2 number, since 2×64608787² = 8348590715222738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64608727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32304393 + 32304394.

It is an arithmetic number, because the mean of its divisors is an integer number (32304394).

Almost surely, 2^64608787 is an apocalyptic number.

64608787 is a deficient number, since it is larger than the sum of its proper divisors (1).

64608787 is an equidigital number, since it uses as much as digits as its factorization.

64608787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 64608787 is about 8037.9591315209. The cubic root of 64608787 is about 401.2643058664.

The spelling of 64608787 in words is "sixty-four million, six hundred eight thousand, seven hundred eighty-seven".