64777852 has 12 divisors (see below), whose sum is σ = 115220056. Its totient is φ = 31857840.

The previous prime is 64777831. The next prime is 64777873. The reversal of 64777852 is 25877746.

It is an interprime number because it is at equal distance from previous prime (64777831) and next prime (64777873).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132498 + ... + 132985.

Almost surely, 2^64777852 is an apocalyptic number.

It is an amenable number.

64777852 is a deficient number, since it is larger than the sum of its proper divisors (50442204).

64777852 is a wasteful number, since it uses less digits than its factorization.

64777852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265548 (or 265546 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 64777852 is about 8048.4689227206. The cubic root of 64777852 is about 401.6140037206.

The spelling of 64777852 in words is "sixty-four million, seven hundred seventy-seven thousand, eight hundred fifty-two".