478133797 has 4 divisors (see below), whose sum is σ = 478376416. Its totient is φ = 477891180.

The previous prime is 478133771. The next prime is 478133827. The reversal of 478133797 is 797331874.

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, and also an emirpimes, since its reverse is a distinct semiprime: 797331874 = 2 ⋅398665937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478133797 is a prime.

It is a super-2 number, since 2×478133797² = 457223855667274418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478133797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478133707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118329 + ... + 122302.

It is an arithmetic number, because the mean of its divisors is an integer number (119594104).

Almost surely, 2^478133797 is an apocalyptic number.

It is an amenable number.

478133797 is a deficient number, since it is larger than the sum of its proper divisors (242619).

478133797 is a wasteful number, since it uses less digits than its factorization.

478133797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242618.

The product of its digits is 889056, while the sum is 49.

The square root of 478133797 is about 21866.2707611518. The cubic root of 478133797 is about 781.9574967687.

The spelling of 478133797 in words is "four hundred seventy-eight million, one hundred thirty-three thousand, seven hundred ninety-seven".