147987011 has 4 divisors (see below), whose sum is σ = 149344800. Its totient is φ = 146629224.

The previous prime is 147986959. The next prime is 147987019. The reversal of 147987011 is 110789741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147987011 - 2¹⁰ = 147985987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147987019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678731 + ... + 678948.

It is an arithmetic number, because the mean of its divisors is an integer number (37336200).

Almost surely, 2^147987011 is an apocalyptic number.

147987011 is a deficient number, since it is larger than the sum of its proper divisors (1357789).

147987011 is a wasteful number, since it uses less digits than its factorization.

147987011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357788.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 147987011 is about 12164.9912042714. The cubic root of 147987011 is about 528.9417724345.

The spelling of 147987011 in words is "one hundred forty-seven million, nine hundred eighty-seven thousand, eleven".