147920557708 has 108 divisors (see below), whose sum is σ = 345379564656. Its totient is φ = 55125470400.

The previous prime is 147920557703. The next prime is 147920557739. The reversal of 147920557708 is 807755029741.

It is not an unprimeable number, because it can be changed into a prime (147920557703) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 409878 + ... + 681058.

It is an arithmetic number, because the mean of its divisors is an integer number (3197958932).

Almost surely, 2^147920557708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147920557708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172689782328).

147920557708 is an abundant number, since it is smaller than the sum of its proper divisors (197459006948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147920557708 is a wasteful number, since it uses less digits than its factorization.

147920557708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271244 (or 271224 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 147920557708 in words is "one hundred forty-seven billion, nine hundred twenty million, five hundred fifty-seven thousand, seven hundred eight".