478621793622 has 64 divisors (see below), whose sum is σ = 1116972218880. Its totient is φ = 133905805824.

The previous prime is 478621793597. The next prime is 478621793711. The reversal of 478621793622 is 226397126874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213597 + ... + 1001432.

It is an arithmetic number, because the mean of its divisors is an integer number (17452690920).

Almost surely, 2^478621793622 is an apocalyptic number.

478621793622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

478621793622 is an abundant number, since it is smaller than the sum of its proper divisors (638350425258).

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

478621793622 is a wasteful number, since it uses less digits than its factorization.

478621793622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215237.

The product of its digits is 12192768, while the sum is 57.

The spelling of 478621793622 in words is "four hundred seventy-eight billion, six hundred twenty-one million, seven hundred ninety-three thousand, six hundred twenty-two".