147727987 has 16 divisors (see below), whose sum is σ = 163490400. Its totient is φ = 132371200.

The previous prime is 147727967. The next prime is 147727991. The reversal of 147727987 is 789727741.

It is a happy number.

147727987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147727987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147727967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283287 + ... + 283807.

It is an arithmetic number, because the mean of its divisors is an integer number (10218150).

Almost surely, 2^147727987 is an apocalyptic number.

147727987 is a deficient number, since it is larger than the sum of its proper divisors (15762413).

147727987 is a wasteful number, since it uses less digits than its factorization.

147727987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its digits is 1382976, while the sum is 52.

The square root of 147727987 is about 12154.3402535884. The cubic root of 147727987 is about 528.6329871642.

The spelling of 147727987 in words is "one hundred forty-seven million, seven hundred twenty-seven thousand, nine hundred eighty-seven".