478899495 has 12 divisors (see below), whose sum is σ = 830092536. Its totient is φ = 255413040.

The previous prime is 478899481. The next prime is 478899511. The reversal of 478899495 is 594998874.

It is not a de Polignac number, because 478899495 - 2¹⁸ = 478637351 is a prime.

It is a super-2 number, since 2×478899495² = 458689452622510050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5321061 + ... + 5321150.

It is an arithmetic number, because the mean of its divisors is an integer number (69174378).

Almost surely, 2^478899495 is an apocalyptic number.

478899495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

478899495 is a deficient number, since it is larger than the sum of its proper divisors (351193041).

478899495 is a wasteful number, since it uses less digits than its factorization.

478899495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642222 (or 10642219 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 478899495 is about 21883.7724124521. The cubic root of 478899495 is about 782.3746909822.

The spelling of 478899495 in words is "four hundred seventy-eight million, eight hundred ninety-nine thousand, four hundred ninety-five".