64675311 has 16 divisors (see below), whose sum is σ = 89696640. Its totient is φ = 41418720.

The previous prime is 64675279. The next prime is 64675357. The reversal of 64675311 is 11357646.

It is not a de Polignac number, because 64675311 - 2⁵ = 64675279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64675381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760 + ... + 11978.

It is an arithmetic number, because the mean of its divisors is an integer number (5606040).

Almost surely, 2^64675311 is an apocalyptic number.

64675311 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

64675311 is a deficient number, since it is larger than the sum of its proper divisors (25021329).

64675311 is a wasteful number, since it uses less digits than its factorization.

64675311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326.

The product of its digits is 15120, while the sum is 33.

The square root of 64675311 is about 8042.0961819665. The cubic root of 64675311 is about 401.4019783177.

It can be divided in two parts, 646 and 75311, that added together give a palindrome (75957).

The spelling of 64675311 in words is "sixty-four million, six hundred seventy-five thousand, three hundred eleven".