469085887 has 4 divisors (see below), whose sum is σ = 469391440. Its totient is φ = 468780336.

The previous prime is 469085873. The next prime is 469085891. The reversal of 469085887 is 788580964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469085887 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 (469085857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150462 + ... + 153547.

It is an arithmetic number, because the mean of its divisors is an integer number (117347860).

Almost surely, 2^469085887 is an apocalyptic number.

469085887 is a deficient number, since it is larger than the sum of its proper divisors (305553).

469085887 is a wasteful number, since it uses less digits than its factorization.

469085887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305552.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 469085887 is about 21658.3906835203. The cubic root of 469085887 is about 776.9936251228.

The spelling of 469085887 in words is "four hundred sixty-nine million, eighty-five thousand, eight hundred eighty-seven".