850480478 has 4 divisors (see below), whose sum is σ = 1275720720. Its totient is φ = 425240238.

The previous prime is 850480439. The next prime is 850480517. The reversal of 850480478 is 874084058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874084058 = 2 ⋅437042029.

It is an interprime number because it is at equal distance from previous prime (850480439) and next prime (850480517).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212620118 + ... + 212620121.

It is an arithmetic number, because the mean of its divisors is an integer number (318930180).

Almost surely, 2^850480478 is an apocalyptic number.

850480478 is a deficient number, since it is larger than the sum of its proper divisors (425240242).

850480478 is a wasteful number, since it uses less digits than its factorization.

850480478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425240241.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 850480478 is about 29162.9984398038. The cubic root of 850480478 is about 947.4466904471.

The spelling of 850480478 in words is "eight hundred fifty million, four hundred eighty thousand, four hundred seventy-eight".