788434562 has 4 divisors (see below), whose sum is σ = 1182651846. Its totient is φ = 394217280.

The previous prime is 788434553. The next prime is 788434567. The reversal of 788434562 is 265434887.

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., 742072081 + 46362481 = 27241^2 + 6809^2 .

It is a super-2 number, since 2×788434562² = 1243258117112263688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (788434567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197108639 + ... + 197108642.

Almost surely, 2^788434562 is an apocalyptic number.

788434562 is a deficient number, since it is larger than the sum of its proper divisors (394217284).

788434562 is a wasteful number, since it uses less digits than its factorization.

788434562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394217283.

The product of its digits is 1290240, while the sum is 47.

The square root of 788434562 is about 28079.0769435179. The cubic root of 788434562 is about 923.8225337417.

The spelling of 788434562 in words is "seven hundred eighty-eight million, four hundred thirty-four thousand, five hundred sixty-two".