530478878 has 4 divisors (see below), whose sum is σ = 795718320. Its totient is φ = 265239438.

The previous prime is 530478859. The next prime is 530478881. The reversal of 530478878 is 878874035.

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, 132619718 + ... + 132619721.

It is an arithmetic number, because the mean of its divisors is an integer number (198929580).

Almost surely, 2^530478878 is an apocalyptic number.

530478878 is a deficient number, since it is larger than the sum of its proper divisors (265239442).

530478878 is a wasteful number, since it uses less digits than its factorization.

530478878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265239441.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 530478878 is about 23032.1270837064. The cubic root of 530478878 is about 809.5108961063.

The spelling of 530478878 in words is "five hundred thirty million, four hundred seventy-eight thousand, eight hundred seventy-eight".