478133158 has 4 divisors (see below), whose sum is σ = 717199740. Its totient is φ = 239066578.

The previous prime is 478133113. The next prime is 478133197. The reversal of 478133158 is 851331874.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×478133158² = 457222633558105928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478133158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119533288 + ... + 119533291.

It is an arithmetic number, because the mean of its divisors is an integer number (179299935).

Almost surely, 2^478133158 is an apocalyptic number.

478133158 is a deficient number, since it is larger than the sum of its proper divisors (239066582).

478133158 is a wasteful number, since it uses less digits than its factorization.

478133158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239066581.

The product of its digits is 80640, while the sum is 40.

The square root of 478133158 is about 21866.2561496018. The cubic root of 478133158 is about 781.9571484206.

The spelling of 478133158 in words is "four hundred seventy-eight million, one hundred thirty-three thousand, one hundred fifty-eight".