632379287 has 4 divisors (see below), whose sum is σ = 643097640. Its totient is φ = 621660936.

The previous prime is 632379283. The next prime is 632379317. The reversal of 632379287 is 782973236.

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 632379287 - 2² = 632379283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632379283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5359088 + ... + 5359205.

It is an arithmetic number, because the mean of its divisors is an integer number (160774410).

Almost surely, 2^632379287 is an apocalyptic number.

632379287 is a deficient number, since it is larger than the sum of its proper divisors (10718353).

632379287 is a wasteful number, since it uses less digits than its factorization.

632379287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718352.

The product of its digits is 762048, while the sum is 47.

The square root of 632379287 is about 25147.1526618820. The cubic root of 632379287 is about 858.3397240693.

The spelling of 632379287 in words is "six hundred thirty-two million, three hundred seventy-nine thousand, two hundred eighty-seven".