64888853 has 2 divisors, whose sum is σ = 64888854. Its totient is φ = 64888852.

The previous prime is 64888823. The next prime is 64888871. The reversal of 64888853 is 35888846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46553329 + 18335524 = 6823^2 + 4282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64888853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64888823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32444426 + 32444427.

It is an arithmetic number, because the mean of its divisors is an integer number (32444427).

Almost surely, 2^64888853 is an apocalyptic number.

It is an amenable number.

64888853 is a deficient number, since it is larger than the sum of its proper divisors (1).

64888853 is an equidigital number, since it uses as much as digits as its factorization.

64888853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1474560, while the sum is 50.

The square root of 64888853 is about 8055.3617547569. The cubic root of 64888853 is about 401.8432699258.

The spelling of 64888853 in words is "sixty-four million, eight hundred eighty-eight thousand, eight hundred fifty-three".