874834432478 has 8 divisors (see below), whose sum is σ = 1316730324168. Its totient is φ = 435924324424.

The previous prime is 874834432477. The next prime is 874834432489. The reversal of 874834432478 is 874234438478.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 874834432478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874834432477) 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 3 ways as a sum of consecutive naturals, for example, 746445176 + ... + 746446347.

It is an arithmetic number, because the mean of its divisors is an integer number (164591290521).

Almost surely, 2^874834432478 is an apocalyptic number.

874834432478 is a deficient number, since it is larger than the sum of its proper divisors (441895891690).

874834432478 is a wasteful number, since it uses less digits than its factorization.

874834432478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492891818.

The product of its digits is 115605504, while the sum is 62.

The spelling of 874834432478 in words is "eight hundred seventy-four billion, eight hundred thirty-four million, four hundred thirty-two thousand, four hundred seventy-eight".