187938435532 has 12 divisors (see below), whose sum is σ = 340233374880. Its totient is φ = 90728899856.

The previous prime is 187938435497. The next prime is 187938435563. The reversal of 187938435532 is 235534839781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810079348 + ... + 810079579.

It is an arithmetic number, because the mean of its divisors is an integer number (28352781240).

Almost surely, 2^187938435532 is an apocalyptic number.

It is an amenable number.

187938435532 is a deficient number, since it is larger than the sum of its proper divisors (152294939348).

187938435532 is a wasteful number, since it uses less digits than its factorization.

187938435532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620158960 (or 1620158958 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 187938435532 in words is "one hundred eighty-seven billion, nine hundred thirty-eight million, four hundred thirty-five thousand, five hundred thirty-two".