478763031 has 8 divisors (see below), whose sum is σ = 640063600. Its totient is φ = 318318912.

The previous prime is 478763029. The next prime is 478763057. The reversal of 478763031 is 130367874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478763031 - 2¹ = 478763029 is a prime.

It is a super-2 number, since 2×478763031² = 458428079704613922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478763071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212806 + ... + 215043.

It is an arithmetic number, because the mean of its divisors is an integer number (80007950).

Almost surely, 2^478763031 is an apocalyptic number.

478763031 is a deficient number, since it is larger than the sum of its proper divisors (161300569).

478763031 is a wasteful number, since it uses less digits than its factorization.

478763031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428225.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 478763031 is about 21880.6542635269. The cubic root of 478763031 is about 782.3003705012.

The spelling of 478763031 in words is "four hundred seventy-eight million, seven hundred sixty-three thousand, thirty-one".