64072087 has 2 divisors, whose sum is σ = 64072088. Its totient is φ = 64072086.

The previous prime is 64072067. The next prime is 64072091. The reversal of 64072087 is 78027046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64072087 - 2²³ = 55683479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64072007) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32036043 + 32036044.

It is an arithmetic number, because the mean of its divisors is an integer number (32036044).

Almost surely, 2^64072087 is an apocalyptic number.

64072087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64072087 is an equidigital number, since it uses as much as digits as its factorization.

64072087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 64072087 is about 8004.5041695286. The cubic root of 64072087 is about 400.1501248992.

It can be divided in two parts, 640 and 72087, that added together give a palindrome (72727).

The spelling of 64072087 in words is "sixty-four million, seventy-two thousand, eighty-seven".