478161369765 has 96 divisors (see below), whose sum is σ = 876202229760. Its totient is φ = 240845270400.

The previous prime is 478161369743. The next prime is 478161369769. The reversal of 478161369765 is 567963161874.

478161369765 is a `hidden beast` number, since 4 + 7 + 8 + 1 + 613 + 6 + 9 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 478161369765 - 2¹⁷ = 478161238693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478161369769) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88235226 + ... + 88240644.

It is an arithmetic number, because the mean of its divisors is an integer number (9127106560).

Almost surely, 2^478161369765 is an apocalyptic number.

478161369765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478161369765 is a deficient number, since it is larger than the sum of its proper divisors (398040859995).

478161369765 is a wasteful number, since it uses less digits than its factorization.

478161369765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6972 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 478161369765 in words is "four hundred seventy-eight billion, one hundred sixty-one million, three hundred sixty-nine thousand, seven hundred sixty-five".