530078278 has 4 divisors (see below), whose sum is σ = 795117420. Its totient is φ = 265039138.

The previous prime is 530078257. The next prime is 530078293. The reversal of 530078278 is 872870035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 872870035 = 5 ⋅174574007.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 530078278.

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, 132519568 + ... + 132519571.

It is an arithmetic number, because the mean of its divisors is an integer number (198779355).

Almost surely, 2^530078278 is an apocalyptic number.

530078278 is a deficient number, since it is larger than the sum of its proper divisors (265039142).

530078278 is a wasteful number, since it uses less digits than its factorization.

530078278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265039141.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 530078278 is about 23023.4288931949. The cubic root of 530078278 is about 809.3070728919.

The spelling of 530078278 in words is "five hundred thirty million, seventy-eight thousand, two hundred seventy-eight".