511971896 has 16 divisors (see below), whose sum is σ = 960287640. Its totient is φ = 255895200.

The previous prime is 511971883. The next prime is 511971931. The reversal of 511971896 is 698179115.

It is a self number, because there is not a number n which added to its sum of digits gives 511971896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16715 + ... + 36101.

Almost surely, 2^511971896 is an apocalyptic number.

It is an amenable number.

511971896 is a deficient number, since it is larger than the sum of its proper divisors (448315744).

511971896 is a wasteful number, since it uses less digits than its factorization.

511971896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22694 (or 22690 counting only the distinct ones).

The product of its digits is 136080, while the sum is 47.

The square root of 511971896 is about 22626.7959729167. The cubic root of 511971896 is about 799.9853622322.

The spelling of 511971896 in words is "five hundred eleven million, nine hundred seventy-one thousand, eight hundred ninety-six".