874561664420 has 24 divisors (see below), whose sum is σ = 1843896555648. Its totient is φ = 348430940000.

The previous prime is 874561664419. The next prime is 874561664461. The reversal of 874561664420 is 24466165478.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87102716 + ... + 87112755.

It is an arithmetic number, because the mean of its divisors is an integer number (76829023152).

Almost surely, 2^874561664420 is an apocalyptic number.

It is an amenable number.

874561664420 is an abundant number, since it is smaller than the sum of its proper divisors (969334891228).

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

874561664420 is a wasteful number, since it uses less digits than its factorization.

874561664420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174215731 (or 174215729 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 874561664420 in words is "eight hundred seventy-four billion, five hundred sixty-one million, six hundred sixty-four thousand, four hundred twenty".