64713827 has 2 divisors, whose sum is σ = 64713828. Its totient is φ = 64713826.

The previous prime is 64713823. The next prime is 64713889. The reversal of 64713827 is 72831746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64713827 - 2² = 64713823 is a prime.

It is a super-3 number, since 3×64713827³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64713821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32356913 + 32356914.

It is an arithmetic number, because the mean of its divisors is an integer number (32356914).

Almost surely, 2^64713827 is an apocalyptic number.

64713827 is a deficient number, since it is larger than the sum of its proper divisors (1).

64713827 is an equidigital number, since it uses as much as digits as its factorization.

64713827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 64713827 is about 8044.4904748530. The cubic root of 64713827 is about 401.4816446300.

The spelling of 64713827 in words is "sixty-four million, seven hundred thirteen thousand, eight hundred twenty-seven".