511378479 has 24 divisors (see below), whose sum is σ = 784171440. Its totient is φ = 320018688.

The previous prime is 511378463. The next prime is 511378487. The reversal of 511378479 is 974873115.

It is not a de Polignac number, because 511378479 - 2⁴ = 511378463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511378499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56532 + ... + 64950.

It is an arithmetic number, because the mean of its divisors is an integer number (32673810).

Almost surely, 2^511378479 is an apocalyptic number.

511378479 is a deficient number, since it is larger than the sum of its proper divisors (272792961).

511378479 is a wasteful number, since it uses less digits than its factorization.

511378479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8839 (or 8836 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 511378479 is about 22613.6790239890. The cubic root of 511378479 is about 799.6761600731.

The spelling of 511378479 in words is "five hundred eleven million, three hundred seventy-eight thousand, four hundred seventy-nine".