479158497 has 20 divisors (see below), whose sum is σ = 718076436. Its totient is φ = 318414240.

The previous prime is 479158489. The next prime is 479158501. The reversal of 479158497 is 794851974.

479158497 is a `hidden beast` number, since 479 + 1 + 5 + 84 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34117281 + 445041216 = 5841^2 + 21096^2 .

It is not a de Polignac number, because 479158497 - 2³ = 479158489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479158697) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16347 + ... + 35007.

Almost surely, 2^479158497 is an apocalyptic number.

It is an amenable number.

479158497 is a deficient number, since it is larger than the sum of its proper divisors (238917939).

479158497 is a wasteful number, since it uses less digits than its factorization.

479158497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18990 (or 18981 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 479158497 is about 21889.6892851406. The cubic root of 479158497 is about 782.5157088035.

The spelling of 479158497 in words is "four hundred seventy-nine million, one hundred fifty-eight thousand, four hundred ninety-seven".