874545478 has 4 divisors (see below), whose sum is σ = 1311818220. Its totient is φ = 437272738.

The previous prime is 874545473. The next prime is 874545479.

874545478 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

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 (874545473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218636368 + ... + 218636371.

It is an arithmetic number, because the mean of its divisors is an integer number (327954555).

Almost surely, 2^874545478 is an apocalyptic number.

874545478 is a deficient number, since it is larger than the sum of its proper divisors (437272742).

874545478 is a wasteful number, since it uses less digits than its factorization.

874545478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437272741.

The product of its digits is 5017600, while the sum is 52.

The square root of 874545478 is about 29572.7150934776. The cubic root of 874545478 is about 956.2999495004.

The spelling of 874545478 in words is "eight hundred seventy-four million, five hundred forty-five thousand, four hundred seventy-eight".