478113998 has 4 divisors (see below), whose sum is σ = 717171000. Its totient is φ = 239056998.

The previous prime is 478113989. The next prime is 478114061. The reversal of 478113998 is 899311874.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119528498 + ... + 119528501.

It is an arithmetic number, because the mean of its divisors is an integer number (179292750).

Almost surely, 2^478113998 is an apocalyptic number.

478113998 is a deficient number, since it is larger than the sum of its proper divisors (239057002).

478113998 is a wasteful number, since it uses less digits than its factorization.

478113998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239057001.

The product of its digits is 435456, while the sum is 50.

The square root of 478113998 is about 21865.8180272315. The cubic root of 478113998 is about 781.9467032835.

The spelling of 478113998 in words is "four hundred seventy-eight million, one hundred thirteen thousand, nine hundred ninety-eight".