468789887 has 4 divisors (see below), whose sum is σ = 489172080. Its totient is φ = 448407696.

The previous prime is 468789877. The next prime is 468789917. The reversal of 468789887 is 788987864.

It is a happy number.

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 468789887 - 2¹⁰ = 468788863 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 (468789817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10191062 + ... + 10191107.

It is an arithmetic number, because the mean of its divisors is an integer number (122293020).

Almost surely, 2^468789887 is an apocalyptic number.

468789887 is a deficient number, since it is larger than the sum of its proper divisors (20382193).

468789887 is a wasteful number, since it uses less digits than its factorization.

468789887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382192.

The product of its digits is 43352064, while the sum is 65.

The square root of 468789887 is about 21651.5562258236. The cubic root of 468789887 is about 776.8301593183.

It can be divided in two parts, 46878 and 9887, that added together give a palindrome (56765).

The spelling of 468789887 in words is "four hundred sixty-eight million, seven hundred eighty-nine thousand, eight hundred eighty-seven".