63047985 has 192 divisors, whose sum is σ = 151787520. Its totient is φ = 21565440.

The previous prime is 63047981. The next prime is 63047987. The reversal of 63047985 is 58974036.

It is a happy number.

It is not a de Polignac number, because 63047985 - 2² = 63047981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63047981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3318306 + ... + 3318324.

It is an arithmetic number, because the mean of its divisors is an integer number (790560).

Almost surely, 2^63047985 is an apocalyptic number.

63047985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63047985 is an abundant number, since it is smaller than the sum of its proper divisors (88739535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63047985 is a wasteful number, since it uses less digits than its factorization.

63047985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 63047985 is about 7940.2761286998. The cubic root of 63047985 is about 398.0067189930.

The spelling of 63047985 in words is "sixty-three million, forty-seven thousand, nine hundred eighty-five".