28385145914 has 8 divisors (see below), whose sum is σ = 42578434080. Its totient is φ = 14192334556.

The previous prime is 28385145863. The next prime is 28385145961. The reversal of 28385145914 is 41954158382.

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

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, 168707 + ... + 291945.

It is an arithmetic number, because the mean of its divisors is an integer number (5322304260).

Almost surely, 2^28385145914 is an apocalyptic number.

28385145914 is a deficient number, since it is larger than the sum of its proper divisors (14193288166).

28385145914 is a wasteful number, since it uses less digits than its factorization.

28385145914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238404.

The product of its digits is 1382400, while the sum is 50.

The spelling of 28385145914 in words is "twenty-eight billion, three hundred eighty-five million, one hundred forty-five thousand, nine hundred fourteen".