874688856 has 24 divisors (see below), whose sum is σ = 2187084420. Its totient is φ = 291514656.

The previous prime is 874688851. The next prime is 874688861. The reversal of 874688856 is 658886478.

It is an interprime number because it is at equal distance from previous prime (874688851) and next prime (874688861).

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 874688856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874688851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141870 + ... + 147906.

Almost surely, 2^874688856 is an apocalyptic number.

It is an amenable number.

874688856 is an abundant number, since it is smaller than the sum of its proper divisors (1312395564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

874688856 is an frugal number, since it uses more digits than its factorization.

874688856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083 (or 6042 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The square root of 874688856 is about 29575.1391543641. The cubic root of 874688856 is about 956.3522070770.

The spelling of 874688856 in words is "eight hundred seventy-four million, six hundred eighty-eight thousand, eight hundred fifty-six".