530777378 has 4 divisors (see below), whose sum is σ = 796166070. Its totient is φ = 265388688.

The previous prime is 530777347. The next prime is 530777413. The reversal of 530777378 is 873777035.

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

It can be written as a sum of positive squares in only one way, i.e., 487835569 + 42941809 = 22087^2 + 6553^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132694343 + ... + 132694346.

Almost surely, 2^530777378 is an apocalyptic number.

530777378 is a deficient number, since it is larger than the sum of its proper divisors (265388692).

530777378 is a wasteful number, since it uses less digits than its factorization.

530777378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265388691.

The product of its (nonzero) digits is 864360, while the sum is 47.

The square root of 530777378 is about 23038.6062512471. The cubic root of 530777378 is about 809.6627046597.

The spelling of 530777378 in words is "five hundred thirty million, seven hundred seventy-seven thousand, three hundred seventy-eight".