874689986478 has 64 divisors (see below), whose sum is σ = 2181726005760. Its totient is φ = 227121283200.

The previous prime is 874689986447. The next prime is 874689986519.

874689986478 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 874689986478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1194208 + ... + 1781996.

It is an arithmetic number, because the mean of its divisors is an integer number (34089468840).

Almost surely, 2^874689986478 is an apocalyptic number.

874689986478 is an abundant number, since it is smaller than the sum of its proper divisors (1307036019282).

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

874689986478 is a wasteful number, since it uses less digits than its factorization.

874689986478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591033.

The product of its digits is 9364045824, while the sum is 84.

The spelling of 874689986478 in words is "eight hundred seventy-four billion, six hundred eighty-nine million, nine hundred eighty-six thousand, four hundred seventy-eight".