64197085 has 8 divisors (see below), whose sum is σ = 77222880. Its totient is φ = 51233424.

The previous prime is 64197079. The next prime is 64197101. The reversal of 64197085 is 58079146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64197085 - 2¹⁹ = 63672797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13227 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (9652860).

Almost surely, 2^64197085 is an apocalyptic number.

It is an amenable number.

64197085 is a deficient number, since it is larger than the sum of its proper divisors (13025795).

64197085 is a wasteful number, since it uses less digits than its factorization.

64197085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31067.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 64197085 is about 8012.3083440417. The cubic root of 64197085 is about 400.4101730015.

The spelling of 64197085 in words is "sixty-four million, one hundred ninety-seven thousand, eighty-five".