63983091 has 8 divisors (see below), whose sum is σ = 85432320. Its totient is φ = 42594632.

The previous prime is 63983071. The next prime is 63983093. The reversal of 63983091 is 19038936.

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 63983091 - 2⁹ = 63982579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63983093) 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, 12675 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (10679040).

Almost surely, 2^63983091 is an apocalyptic number.

63983091 is a deficient number, since it is larger than the sum of its proper divisors (21449229).

63983091 is a wasteful number, since it uses less digits than its factorization.

63983091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30385.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 63983091 is about 7998.9431176875. The cubic root of 63983091 is about 399.9647698138.

The spelling of 63983091 in words is "sixty-three million, nine hundred eighty-three thousand, ninety-one".