128477273107 has 8 divisors (see below), whose sum is σ = 131621534352. Its totient is φ = 125333520000.

The previous prime is 128477273087. The next prime is 128477273137. The reversal of 128477273107 is 701372774821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128477273107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128477273137) 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, 412528 + ... + 653554.

It is an arithmetic number, because the mean of its divisors is an integer number (16452691794).

Almost surely, 2^128477273107 is an apocalyptic number.

128477273107 is a deficient number, since it is larger than the sum of its proper divisors (3144261245).

128477273107 is a wasteful number, since it uses less digits than its factorization.

128477273107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254069.

The product of its (nonzero) digits is 921984, while the sum is 49.

The spelling of 128477273107 in words is "one hundred twenty-eight billion, four hundred seventy-seven million, two hundred seventy-three thousand, one hundred seven".