478291697948 has 24 divisors (see below), whose sum is σ = 849878273664. Its totient is φ = 235477897200.

The previous prime is 478291697911. The next prime is 478291697993. The reversal of 478291697948 is 849796192874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846458 + ... + 1293473.

It is an arithmetic number, because the mean of its divisors is an integer number (35411594736).

Almost surely, 2^478291697948 is an apocalyptic number.

It is an amenable number.

478291697948 is a deficient number, since it is larger than the sum of its proper divisors (371586575716).

478291697948 is a wasteful number, since it uses less digits than its factorization.

478291697948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140793 (or 2140791 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 74.

The spelling of 478291697948 in words is "four hundred seventy-eight billion, two hundred ninety-one million, six hundred ninety-seven thousand, nine hundred forty-eight".