874121478 has 8 divisors (see below), whose sum is σ = 1748242968. Its totient is φ = 291373824.

The previous prime is 874121471. The next prime is 874121483.

874121478 is nontrivially palindromic in base 10.

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

874121478 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874121471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72843451 + ... + 72843462.

It is an arithmetic number, because the mean of its divisors is an integer number (218530371).

Almost surely, 2^874121478 is an apocalyptic number.

874121478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

874121478 is a wasteful number, since it uses less digits than its factorization.

874121478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145686918.

The product of its digits is 100352, while the sum is 42.

The square root of 874121478 is about 29565.5454541262. The cubic root of 874121478 is about 956.1453790278.

The spelling of 874121478 in words is "eight hundred seventy-four million, one hundred twenty-one thousand, four hundred seventy-eight".