63772985 has 8 divisors (see below), whose sum is σ = 76626816. Its totient is φ = 50952240.

The previous prime is 63772931. The next prime is 63772991. The reversal of 63772985 is 58927736.

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

It is not a de Polignac number, because 63772985 - 2¹² = 63768889 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, 3809 + ... + 11918.

It is an arithmetic number, because the mean of its divisors is an integer number (9578352).

Almost surely, 2^63772985 is an apocalyptic number.

It is an amenable number.

63772985 is a deficient number, since it is larger than the sum of its proper divisors (12853831).

63772985 is a wasteful number, since it uses less digits than its factorization.

63772985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16543.

The product of its digits is 635040, while the sum is 47.

The square root of 63772985 is about 7985.7989581506. The cubic root of 63772985 is about 399.5264917794.

The spelling of 63772985 in words is "sixty-three million, seven hundred seventy-two thousand, nine hundred eighty-five".