187460423089 has 9 divisors (see below), whose sum is σ = 191940415083. Its totient is φ = 183082693752.

The previous prime is 187460423069. The next prime is 187460423123. The reversal of 187460423089 is 980324064781.

The square root of 187460423089 is 432967.

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., 47509613089 + 139950810000 = 217967^2 + 374100^2 .

It is not a de Polignac number, because 187460423089 - 2²¹ = 187458325937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187460423009) 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, 18612547 + ... + 18622615.

It is an arithmetic number, because the mean of its divisors is an integer number (21326712787).

Almost surely, 2^187460423089 is an apocalyptic number.

187460423089 is the 432967-th square number.

187460423089 is the 216484-th centered octagonal number.

It is an amenable number.

187460423089 is a deficient number, since it is larger than the sum of its proper divisors (4479991994).

187460423089 is an frugal number, since it uses more digits than its factorization.

187460423089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20224 (or 10112 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 187460423089 in words is "one hundred eighty-seven billion, four hundred sixty million, four hundred twenty-three thousand, eighty-nine".