64783827 has 12 divisors (see below), whose sum is σ = 96038040. Its totient is φ = 43161336.

The previous prime is 64783811. The next prime is 64783897. The reversal of 64783827 is 72838746.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 64783827 - 2⁴ = 64783811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64783897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41049 + ... + 42597.

It is an arithmetic number, because the mean of its divisors is an integer number (8003170).

Almost surely, 2^64783827 is an apocalyptic number.

64783827 is a deficient number, since it is larger than the sum of its proper divisors (31254213).

64783827 is an frugal number, since it uses more digits than its factorization.

64783827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 1552 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 64783827 is about 8048.8401027726. The cubic root of 64783827 is about 401.6263514075.

The spelling of 64783827 in words is "sixty-four million, seven hundred eighty-three thousand, eight hundred twenty-seven".