187538457002 has 16 divisors (see below), whose sum is σ = 311134489512. Its totient is φ = 84216853440.

The previous prime is 187538456993. The next prime is 187538457017. The reversal of 187538457002 is 200754835781.

It can be written as a sum of positive squares in 4 ways, for example, as 103890827041 + 83647629961 = 322321^2 + 289219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97472249 + ... + 97474172.

Almost surely, 2^187538457002 is an apocalyptic number.

187538457002 is a deficient number, since it is larger than the sum of its proper divisors (123596032510).

187538457002 is a wasteful number, since it uses less digits than its factorization.

187538457002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194946473.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 187538457002 in words is "one hundred eighty-seven billion, five hundred thirty-eight million, four hundred fifty-seven thousand, two".