128750086363 has 4 divisors (see below), whose sum is σ = 128807489448. Its totient is φ = 128692683280.

The previous prime is 128750086351. The next prime is 128750086433. The reversal of 128750086363 is 363680057821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128750086363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128750087363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28698178 + ... + 28702663.

It is an arithmetic number, because the mean of its divisors is an integer number (32201872362).

Almost surely, 2^128750086363 is an apocalyptic number.

128750086363 is a deficient number, since it is larger than the sum of its proper divisors (57403085).

128750086363 is an equidigital number, since it uses as much as digits as its factorization.

128750086363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57403084.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 128750086363 in words is "one hundred twenty-eight billion, seven hundred fifty million, eighty-six thousand, three hundred sixty-three".