475772996169 has 27 divisors (see below), whose sum is σ = 703712984013. Its totient is φ = 309747731832.

The previous prime is 475772996123. The next prime is 475772996177. The reversal of 475772996169 is 961699277574.

The square root of 475772996169 is 689763.

It is a perfect power (a square), and thus also a powerful number.

475772996169 is a `hidden beast` number, since 47 + 577 + 2 + 9 + 9 + 6 + 1 + 6 + 9 = 666.

It is not a de Polignac number, because 475772996169 - 2¹⁵ = 475772963401 is a prime.

It is a super-2 number, since 2×475772996169² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 475772996097 and 475772996106.

It is not an unprimeable number, because it can be changed into a prime (475772996269) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88976754 + ... + 88982100.

Almost surely, 2^475772996169 is an apocalyptic number.

475772996169 is the 689763-rd square number.

475772996169 is the 344882-nd centered octagonal number.

It is an amenable number.

475772996169 is a deficient number, since it is larger than the sum of its proper divisors (227939987844).

475772996169 is an frugal number, since it uses more digits than its factorization.

475772996169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786 (or 5393 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 72.

The spelling of 475772996169 in words is "four hundred seventy-five billion, seven hundred seventy-two million, nine hundred ninety-six thousand, one hundred sixty-nine".