478748655 has 96 divisors (see below), whose sum is σ = 1068208128. Its totient is φ = 192499200.

The previous prime is 478748653. The next prime is 478748663. The reversal of 478748655 is 556847874.

It is not a de Polignac number, because 478748655 - 2¹ = 478748653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478748653) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105187 + ... + 109643.

It is an arithmetic number, because the mean of its divisors is an integer number (11127168).

Almost surely, 2^478748655 is an apocalyptic number.

478748655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

478748655 is an abundant number, since it is smaller than the sum of its proper divisors (589459473).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478748655 is a wasteful number, since it uses less digits than its factorization.

478748655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517 (or 4514 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 478748655 is about 21880.3257516884. The cubic root of 478748655 is about 782.2925402790.

The spelling of 478748655 in words is "four hundred seventy-eight million, seven hundred forty-eight thousand, six hundred fifty-five".