187942484097 has 12 divisors (see below), whose sum is σ = 287441446500. Its totient is φ = 117924695808.

The previous prime is 187942484071. The next prime is 187942484113. The reversal of 187942484097 is 790484249781.

187942484097 is a `hidden beast` number, since 1 + 87 + 9 + 424 + 8 + 40 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51509025936 + 136433458161 = 226956^2 + 369369^2 .

It is not a de Polignac number, because 187942484097 - 2¹⁵ = 187942451329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (187942484497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614190972 + ... + 614191277.

It is an arithmetic number, because the mean of its divisors is an integer number (23953453875).

Almost surely, 2^187942484097 is an apocalyptic number.

187942484097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

187942484097 is a deficient number, since it is larger than the sum of its proper divisors (99498962403).

187942484097 is a wasteful number, since it uses less digits than its factorization.

187942484097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228382272 (or 1228382269 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 187942484097 in words is "one hundred eighty-seven billion, nine hundred forty-two million, four hundred eighty-four thousand, ninety-seven".