147729922727 has 24 divisors (see below), whose sum is σ = 153833906016. Its totient is φ = 141837696000.

The previous prime is 147729922657. The next prime is 147729922741. The reversal of 147729922727 is 727229927741.

It is a happy number.

It is not a de Polignac number, because 147729922727 - 2³⁰ = 146656180903 is a prime.

It is a super-2 number, since 2×147729922727² (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 (147729927727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111831227 + ... + 111832547.

It is an arithmetic number, because the mean of its divisors is an integer number (6409746084).

Almost surely, 2^147729922727 is an apocalyptic number.

147729922727 is a deficient number, since it is larger than the sum of its proper divisors (6103983289).

147729922727 is an equidigital number, since it uses as much as digits as its factorization.

147729922727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411 (or 2370 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 59.

The spelling of 147729922727 in words is "one hundred forty-seven billion, seven hundred twenty-nine million, nine hundred twenty-two thousand, seven hundred twenty-seven".