63479901 has 16 divisors (see below), whose sum is σ = 87398784. Its totient is φ = 40953024.

The previous prime is 63479863. The next prime is 63479951. The reversal of 63479901 is 10997436.

It is not a de Polignac number, because 63479901 - 2⁶ = 63479837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63479901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63479951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20416 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (5462424).

Almost surely, 2^63479901 is an apocalyptic number.

It is an amenable number.

63479901 is a deficient number, since it is larger than the sum of its proper divisors (23918883).

63479901 is a wasteful number, since it uses less digits than its factorization.

63479901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 63479901 is about 7967.4275020235. The cubic root of 63479901 is about 398.9135119479.

The spelling of 63479901 in words is "sixty-three million, four hundred seventy-nine thousand, nine hundred one".