487037890161 has 27 divisors (see below), whose sum is σ = 706569918379. Its totient is φ = 323280811392.

The previous prime is 487037890091. The next prime is 487037890217. The reversal of 487037890161 is 161098730784.

The square root of 487037890161 is 697881.

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

487037890161 is a `hidden beast` number, since 48 + 70 + 378 + 9 + 0 + 161 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197869280625 + 289168609536 = 444825^2 + 537744^2 .

It is not a de Polignac number, because 487037890161 - 2²⁵ = 487004335729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 487037890098 and 487037890107.

It is not an unprimeable number, because it can be changed into a prime (487037890861) 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, 739055650 + ... + 739056308.

Almost surely, 2^487037890161 is an apocalyptic number.

487037890161 is the 697881-st square number.

487037890161 is the 348941-st centered octagonal number.

It is an amenable number.

487037890161 is a deficient number, since it is larger than the sum of its proper divisors (219532028218).

487037890161 is an frugal number, since it uses more digits than its factorization.

487037890161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 487037890161 in words is "four hundred eighty-seven billion, thirty-seven million, eight hundred ninety thousand, one hundred sixty-one".