64850885 has 16 divisors (see below), whose sum is σ = 85052160. Its totient is φ = 47077440.

The previous prime is 64850861. The next prime is 64850887. The reversal of 64850885 is 58805846.

It is not a de Polignac number, because 64850885 - 2¹⁴ = 64834501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64850887) 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, 58244 + ... + 59346.

It is an arithmetic number, because the mean of its divisors is an integer number (5315760).

Almost surely, 2^64850885 is an apocalyptic number.

It is an amenable number.

64850885 is a deficient number, since it is larger than the sum of its proper divisors (20201275).

64850885 is a wasteful number, since it uses less digits than its factorization.

64850885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 64850885 is about 8053.0047187370. The cubic root of 64850885 is about 401.7648786392.

The spelling of 64850885 in words is "sixty-four million, eight hundred fifty thousand, eight hundred eighty-five".