147879477 has 6 divisors (see below), whose sum is σ = 213603702. Its totient is φ = 98586312.

The previous prime is 147879467. The next prime is 147879493. The reversal of 147879477 is 774978741.

It can be written as a sum of positive squares in only one way, i.e., 144216081 + 3663396 = 12009^2 + 1914^2 .

It is not a de Polignac number, because 147879477 - 2⁴ = 147879461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147879467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8215518 + ... + 8215535.

It is an arithmetic number, because the mean of its divisors is an integer number (35600617).

Almost surely, 2^147879477 is an apocalyptic number.

It is an amenable number.

147879477 is a deficient number, since it is larger than the sum of its proper divisors (65724225).

147879477 is a wasteful number, since it uses less digits than its factorization.

147879477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16431059 (or 16431056 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 54.

The square root of 147879477 is about 12160.5705869420. The cubic root of 147879477 is about 528.8136237843.

The spelling of 147879477 in words is "one hundred forty-seven million, eight hundred seventy-nine thousand, four hundred seventy-seven".