632488879 has 16 divisors (see below), whose sum is σ = 695890944. Its totient is φ = 570096000.

The previous prime is 632488867. The next prime is 632488897. The reversal of 632488879 is 978884236.

It is a cyclic number.

It is not a de Polignac number, because 632488879 - 2⁵ = 632488847 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 (632488679) 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, 983332 + ... + 983974.

It is an arithmetic number, because the mean of its divisors is an integer number (43493184).

Almost surely, 2^632488879 is an apocalyptic number.

632488879 is a deficient number, since it is larger than the sum of its proper divisors (63402065).

632488879 is a wasteful number, since it uses less digits than its factorization.

632488879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 4644864, while the sum is 55.

The square root of 632488879 is about 25149.3315815749. The cubic root of 632488879 is about 858.3893049329.

It can be divided in two parts, 63248 and 8879, that added together give a palindrome (72127).

The spelling of 632488879 in words is "six hundred thirty-two million, four hundred eighty-eight thousand, eight hundred seventy-nine".