487386893161 has 9 divisors (see below), whose sum is σ = 566965948311. Its totient is φ = 417756005352.

The previous prime is 487386893143. The next prime is 487386893207. The reversal of 487386893161 is 161398683784.

The square root of 487386893161 is 698131.

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

It can be written as a sum of positive squares in only one way, i.e., 453514699225 + 33872193936 = 673435^2 + 184044^2 .

It is not a de Polignac number, because 487386893161 - 2¹⁷ = 487386762089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487386893093 and 487386893102.

It is not an unprimeable number, because it can be changed into a prime (487386894161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4837051 + ... + 4936783.

It is an arithmetic number, because the mean of its divisors is an integer number (62996216479).

Almost surely, 2^487386893161 is an apocalyptic number.

487386893161 is the 698131-st square number.

487386893161 is the 349066-th centered octagonal number.

It is an amenable number.

487386893161 is a deficient number, since it is larger than the sum of its proper divisors (79579055150).

487386893161 is an frugal number, since it uses more digits than its factorization.

487386893161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199480 (or 99740 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 64.

Multiplying 487386893161 by its sum of digits (64), we get a square (31192761162304 = 5585048²).

The spelling of 487386893161 in words is "four hundred eighty-seven billion, three hundred eighty-six million, eight hundred ninety-three thousand, one hundred sixty-one".