63597985 has 8 divisors (see below), whose sum is σ = 83255616. Its totient is φ = 46253040.

The previous prime is 63597979. The next prime is 63598001. The reversal of 63597985 is 58979536.

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

It is not a de Polignac number, because 63597985 - 2³ = 63597977 is a prime.

It is a Duffinian 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, 578109 + ... + 578218.

It is an arithmetic number, because the mean of its divisors is an integer number (10406952).

Almost surely, 2^63597985 is an apocalyptic number.

It is an amenable number.

63597985 is a deficient number, since it is larger than the sum of its proper divisors (19657631).

63597985 is a wasteful number, since it uses less digits than its factorization.

63597985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156343.

The product of its digits is 2041200, while the sum is 52.

The square root of 63597985 is about 7974.8344810410. The cubic root of 63597985 is about 399.1607089580.

The spelling of 63597985 in words is "sixty-three million, five hundred ninety-seven thousand, nine hundred eighty-five".