63089791 has 4 divisors (see below), whose sum is σ = 63106992. Its totient is φ = 63072592.

The previous prime is 63089717. The next prime is 63089801. The reversal of 63089791 is 19798036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63089791 - 2¹¹ = 63087743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63089591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (15776748).

Almost surely, 2^63089791 is an apocalyptic number.

63089791 is a deficient number, since it is larger than the sum of its proper divisors (17201).

63089791 is a wasteful number, since it uses less digits than its factorization.

63089791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17200.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 63089791 is about 7942.9082205449. The cubic root of 63089791 is about 398.0946699537.

The spelling of 63089791 in words is "sixty-three million, eighty-nine thousand, seven hundred ninety-one".