128847854 has 8 divisors (see below), whose sum is σ = 203444040. Its totient is φ = 61033176.

The previous prime is 128847833. The next prime is 128847877. The reversal of 128847854 is 458748821.

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

It is a junction number, because it is equal to n+sod(n) for n = 128847799 and 128847808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695329 + ... + 1695404.

It is an arithmetic number, because the mean of its divisors is an integer number (25430505).

Almost surely, 2^128847854 is an apocalyptic number.

128847854 is a deficient number, since it is larger than the sum of its proper divisors (74596186).

128847854 is a wasteful number, since it uses less digits than its factorization.

128847854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390754.

The product of its digits is 573440, while the sum is 47.

The square root of 128847854 is about 11351.1168613489. The cubic root of 128847854 is about 505.0787107323.

The spelling of 128847854 in words is "one hundred twenty-eight million, eight hundred forty-seven thousand, eight hundred fifty-four".