478357983 has 12 divisors (see below), whose sum is σ = 691538848. Its totient is φ = 318638880.

The previous prime is 478357981. The next prime is 478358009. The reversal of 478357983 is 389753874.

It is not a de Polignac number, because 478357983 - 2¹ = 478357981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478357981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10510 + ... + 32667.

Almost surely, 2^478357983 is an apocalyptic number.

478357983 is a deficient number, since it is larger than the sum of its proper divisors (213180865).

478357983 is a wasteful number, since it uses less digits than its factorization.

478357983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44414 (or 44411 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 478357983 is about 21871.3964574739. The cubic root of 478357983 is about 782.0796916668.

The spelling of 478357983 in words is "four hundred seventy-eight million, three hundred fifty-seven thousand, nine hundred eighty-three".