128847792158 has 4 divisors (see below), whose sum is σ = 193271688240. Its totient is φ = 64423896078.

The previous prime is 128847792131. The next prime is 128847792197. The reversal of 128847792158 is 851297748821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128847792158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32211948038 + ... + 32211948041.

It is an arithmetic number, because the mean of its divisors is an integer number (48317922060).

Almost surely, 2^128847792158 is an apocalyptic number.

128847792158 is a deficient number, since it is larger than the sum of its proper divisors (64423896082).

128847792158 is an equidigital number, since it uses as much as digits as its factorization.

128847792158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64423896081.

The product of its digits is 18063360, while the sum is 62.

The spelling of 128847792158 in words is "one hundred twenty-eight billion, eight hundred forty-seven million, seven hundred ninety-two thousand, one hundred fifty-eight".