874212861 has 8 divisors (see below), whose sum is σ = 1175932800. Its totient is φ = 577650752.

The previous prime is 874212827. The next prime is 874212863. The reversal of 874212861 is 168212478.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 874212861 - 2¹⁰ = 874211837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874212863) 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, 1289061 + ... + 1289738.

It is an arithmetic number, because the mean of its divisors is an integer number (146991600).

Almost surely, 2^874212861 is an apocalyptic number.

It is an amenable number.

874212861 is a deficient number, since it is larger than the sum of its proper divisors (301719939).

874212861 is a wasteful number, since it uses less digits than its factorization.

874212861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578915.

The product of its digits is 43008, while the sum is 39.

The square root of 874212861 is about 29567.0908443831. The cubic root of 874212861 is about 956.1786971996.

The spelling of 874212861 in words is "eight hundred seventy-four million, two hundred twelve thousand, eight hundred sixty-one".