147891244479 has 8 divisors (see below), whose sum is σ = 215114537472. Its totient is φ = 89631057240.

The previous prime is 147891244429. The next prime is 147891244489. The reversal of 147891244479 is 974442198741.

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

It is not a de Polignac number, because 147891244479 - 2⁹ = 147891243967 is a prime.

It is a super-3 number, since 3×147891244479³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147891244409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240776399 + ... + 2240776464.

It is an arithmetic number, because the mean of its divisors is an integer number (26889317184).

Almost surely, 2^147891244479 is an apocalyptic number.

147891244479 is a deficient number, since it is larger than the sum of its proper divisors (67223292993).

147891244479 is a wasteful number, since it uses less digits than its factorization.

147891244479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481552877.

The product of its digits is 16257024, while the sum is 60.

The spelling of 147891244479 in words is "one hundred forty-seven billion, eight hundred ninety-one million, two hundred forty-four thousand, four hundred seventy-nine".