63617087 has 8 divisors (see below), whose sum is σ = 64402800. Its totient is φ = 62835264.

The previous prime is 63617069. The next prime is 63617089. The reversal of 63617087 is 78071636.

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

It is a cyclic number.

It is not a de Polignac number, because 63617087 - 2⁸ = 63616831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63617087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63617089) 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, 43868 + ... + 45294.

It is an arithmetic number, because the mean of its divisors is an integer number (8050350).

Almost surely, 2^63617087 is an apocalyptic number.

63617087 is a deficient number, since it is larger than the sum of its proper divisors (785713).

63617087 is a wasteful number, since it uses less digits than its factorization.

63617087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 63617087 is about 7976.0320335365. The cubic root of 63617087 is about 399.2006683195.

The spelling of 63617087 in words is "sixty-three million, six hundred seventeen thousand, eighty-seven".