63772887 has 8 divisors (see below), whose sum is σ = 85594240. Its totient is φ = 42233400.

The previous prime is 63772883. The next prime is 63772897. The reversal of 63772887 is 78827736.

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

It is not a de Polignac number, because 63772887 - 2² = 63772883 is a prime.

It is a super-2 number, since 2×63772887² = 8133962232629538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63772883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69937 + ... + 70842.

It is an arithmetic number, because the mean of its divisors is an integer number (10699280).

Almost surely, 2^63772887 is an apocalyptic number.

63772887 is a deficient number, since it is larger than the sum of its proper divisors (21821353).

63772887 is a wasteful number, since it uses less digits than its factorization.

63772887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140933.

The product of its digits is 790272, while the sum is 48.

The square root of 63772887 is about 7985.7928222563. The cubic root of 63772887 is about 399.5262871284.

The spelling of 63772887 in words is "sixty-three million, seven hundred seventy-two thousand, eight hundred eighty-seven".