147827709 has 24 divisors (see below), whose sum is σ = 216819512. Its totient is φ = 97044480.

The previous prime is 147827707. The next prime is 147827711. The reversal of 147827709 is 907728741.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (147827707) and next prime (147827711).

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 147622500 = 453^2 + 12150^2 .

It is not a de Polignac number, because 147827709 - 2¹ = 147827707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147827707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272979 + ... + 273519.

Almost surely, 2^147827709 is an apocalyptic number.

It is an amenable number.

147827709 is a deficient number, since it is larger than the sum of its proper divisors (68991803).

147827709 is a wasteful number, since it uses less digits than its factorization.

147827709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 147827709 is about 12158.4418820834. The cubic root of 147827709 is about 528.7519095215.

The spelling of 147827709 in words is "one hundred forty-seven million, eight hundred twenty-seven thousand, seven hundred nine".