147620237447 has 8 divisors (see below), whose sum is σ = 150824501280. Its totient is φ = 144431491360.

The previous prime is 147620237441. The next prime is 147620237449. The reversal of 147620237447 is 744732026741.

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

It is a cyclic number.

It is not a de Polignac number, because 147620237447 - 2⁴ = 147620237431 is a prime.

It is a super-2 number, since 2×147620237447² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147620237441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3860204 + ... + 3898257.

It is an arithmetic number, because the mean of its divisors is an integer number (18853062660).

Almost surely, 2^147620237447 is an apocalyptic number.

147620237447 is a deficient number, since it is larger than the sum of its proper divisors (3204263833).

147620237447 is an equidigital number, since it uses as much as digits as its factorization.

147620237447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758873.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 147620237447 in words is "one hundred forty-seven billion, six hundred twenty million, two hundred thirty-seven thousand, four hundred forty-seven".