874242687 has 16 divisors (see below), whose sum is σ = 1266590720. Its totient is φ = 534340800.

The previous prime is 874242661. The next prime is 874242701. The reversal of 874242687 is 786242478.

It is a happy number.

It is not a de Polignac number, because 874242687 - 2⁸ = 874242431 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874242617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245614 + ... + 249147.

It is an arithmetic number, because the mean of its divisors is an integer number (79161920).

Almost surely, 2^874242687 is an apocalyptic number.

874242687 is a deficient number, since it is larger than the sum of its proper divisors (392348033).

874242687 is a wasteful number, since it uses less digits than its factorization.

874242687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494814.

The product of its digits is 1204224, while the sum is 48.

The square root of 874242687 is about 29567.5952184144. The cubic root of 874242687 is about 956.1895712337.

The spelling of 874242687 in words is "eight hundred seventy-four million, two hundred forty-two thousand, six hundred eighty-seven".