187728434002 has 8 divisors (see below), whose sum is σ = 281608824816. Its totient is φ = 93858825732.

The previous prime is 187728433987. The next prime is 187728434017. The reversal of 187728434002 is 200434827781.

It is an interprime number because it is at equal distance from previous prime (187728433987) and next prime (187728434017).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2651968 + ... + 2721835.

It is an arithmetic number, because the mean of its divisors is an integer number (35201103102).

Almost surely, 2^187728434002 is an apocalyptic number.

187728434002 is a deficient number, since it is larger than the sum of its proper divisors (93880390814).

187728434002 is a wasteful number, since it uses less digits than its factorization.

187728434002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391272.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 187728434002 in words is "one hundred eighty-seven billion, seven hundred twenty-eight million, four hundred thirty-four thousand, two".