479757381 has 4 divisors (see below), whose sum is σ = 639676512. Its totient is φ = 319838252.

The previous prime is 479757371. The next prime is 479757401. The reversal of 479757381 is 183757974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 479757381 - 2¹⁰ = 479756357 is a prime.

It is a super-2 number, since 2×479757381² = 460334289247958322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479757301) by changing a digit.

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, 79959561 + ... + 79959566.

It is an arithmetic number, because the mean of its divisors is an integer number (159919128).

Almost surely, 2^479757381 is an apocalyptic number.

It is an amenable number.

479757381 is a deficient number, since it is larger than the sum of its proper divisors (159919131).

479757381 is a wasteful number, since it uses less digits than its factorization.

479757381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159919130.

The product of its digits is 1481760, while the sum is 51.

The square root of 479757381 is about 21903.3646045533. The cubic root of 479757381 is about 782.8415863799.

The spelling of 479757381 in words is "four hundred seventy-nine million, seven hundred fifty-seven thousand, three hundred eighty-one".