63428311 has 8 divisors (see below), whose sum is σ = 65035520. Its totient is φ = 61827192.

The previous prime is 63428279. The next prime is 63428357. The reversal of 63428311 is 11382436.

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 63428311 - 2⁵ = 63428279 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 63428311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63428111) 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, 25426 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (8129440).

Almost surely, 2^63428311 is an apocalyptic number.

63428311 is a deficient number, since it is larger than the sum of its proper divisors (1607209).

63428311 is a wasteful number, since it uses less digits than its factorization.

63428311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its digits is 3456, while the sum is 28.

The square root of 63428311 is about 7964.1892870524. The cubic root of 63428311 is about 398.8054172315.

The spelling of 63428311 in words is "sixty-three million, four hundred twenty-eight thousand, three hundred eleven".