478809232948 has 6 divisors (see below), whose sum is σ = 837916157666. Its totient is φ = 239404616472.

The previous prime is 478809232933. The next prime is 478809232987. The reversal of 478809232948 is 849232908874.

It can be written as a sum of positive squares in only one way, i.e., 424402737444 + 54406495504 = 651462^2 + 233252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 478809232948.

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, 59851154115 + ... + 59851154122.

Almost surely, 2^478809232948 is an apocalyptic number.

It is an amenable number.

478809232948 is a deficient number, since it is larger than the sum of its proper divisors (359106924718).

478809232948 is a wasteful number, since it uses less digits than its factorization.

478809232948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119702308241 (or 119702308239 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 478809232948 in words is "four hundred seventy-eight billion, eight hundred nine million, two hundred thirty-two thousand, nine hundred forty-eight".