461873878 has 4 divisors (see below), whose sum is σ = 692810820. Its totient is φ = 230936938.

The previous prime is 461873861. The next prime is 461873899. The reversal of 461873878 is 878378164.

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

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, 115468468 + ... + 115468471.

It is an arithmetic number, because the mean of its divisors is an integer number (173202705).

Almost surely, 2^461873878 is an apocalyptic number.

461873878 is a deficient number, since it is larger than the sum of its proper divisors (230936942).

461873878 is a wasteful number, since it uses less digits than its factorization.

461873878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230936941.

The product of its digits is 1806336, while the sum is 52.

The square root of 461873878 is about 21491.2511967079. The cubic root of 461873878 is about 772.9910524925.

The spelling of 461873878 in words is "four hundred sixty-one million, eight hundred seventy-three thousand, eight hundred seventy-eight".