687467223 has 8 divisors (see below), whose sum is σ = 1018470000. Its totient is φ = 458311464.

The previous prime is 687467203. The next prime is 687467269. The reversal of 687467223 is 322764786.

It is not a de Polignac number, because 687467223 - 2¹⁴ = 687450839 is a prime.

It is a super-2 number, since 2×687467223² = 945222365398663458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687467203) 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 7 ways as a sum of consecutive naturals, for example, 12730848 + ... + 12730901.

It is an arithmetic number, because the mean of its divisors is an integer number (127308750).

Almost surely, 2^687467223 is an apocalyptic number.

687467223 is a deficient number, since it is larger than the sum of its proper divisors (331002777).

687467223 is a wasteful number, since it uses less digits than its factorization.

687467223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461758 (or 25461752 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 687467223 is about 26219.5961639381. The cubic root of 687467223 is about 882.5730576417.

The spelling of 687467223 in words is "six hundred eighty-seven million, four hundred sixty-seven thousand, two hundred twenty-three".