478237776422736 has 80 divisors (see below), whose sum is σ = 1350033791325120. Its totient is φ = 144676152821760.

The previous prime is 478237776422713. The next prime is 478237776422741. The reversal of 478237776422736 is 637224677732874.

It is a super-2 number, since 2×478237776422736² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763391251 + ... + 764017458.

It is an arithmetic number, because the mean of its divisors is an integer number (16875422391564).

Almost surely, 2^{478237776422736} is an apocalyptic number.

It is an amenable number.

478237776422736 is an abundant number, since it is smaller than the sum of its proper divisors (871796014902384).

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

478237776422736 is a wasteful number, since it uses less digits than its factorization.

478237776422736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527409324 (or 1527409318 counting only the distinct ones).

The product of its digits is 5576159232, while the sum is 75.

The spelling of 478237776422736 in words is "four hundred seventy-eight trillion, two hundred thirty-seven billion, seven hundred seventy-six million, four hundred twenty-two thousand, seven hundred thirty-six".