468187828 has 6 divisors (see below), whose sum is σ = 819328706. Its totient is φ = 234093912.

The previous prime is 468187799. The next prime is 468187829. The reversal of 468187828 is 828781864.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 434222244 + 33965584 = 20838^2 + 5828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468187829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58523475 + ... + 58523482.

Almost surely, 2^468187828 is an apocalyptic number.

It is an amenable number.

468187828 is a deficient number, since it is larger than the sum of its proper divisors (351140878).

468187828 is a wasteful number, since it uses less digits than its factorization.

468187828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117046961 (or 117046959 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The square root of 468187828 is about 21637.6483934831. The cubic root of 468187828 is about 776.4974601969.

The spelling of 468187828 in words is "four hundred sixty-eight million, one hundred eighty-seven thousand, eight hundred twenty-eight".