63765285 has 8 divisors (see below), whose sum is σ = 102024480. Its totient is φ = 34008144.

The previous prime is 63765271. The next prime is 63765293. The reversal of 63765285 is 58256736.

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

It is not a de Polignac number, because 63765285 - 2¹² = 63761189 is a prime.

It is a super-2 number, since 2×63765285² = 8132023142262450, which contains 22 as substring.

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, 2125495 + ... + 2125524.

It is an arithmetic number, because the mean of its divisors is an integer number (12753060).

Almost surely, 2^63765285 is an apocalyptic number.

It is an amenable number.

63765285 is a deficient number, since it is larger than the sum of its proper divisors (38259195).

63765285 is a wasteful number, since it uses less digits than its factorization.

63765285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251027.

The product of its digits is 302400, while the sum is 42.

The square root of 63765285 is about 7985.3168377967. The cubic root of 63765285 is about 399.5104114187.

The spelling of 63765285 in words is "sixty-three million, seven hundred sixty-five thousand, two hundred eighty-five".