28929027898 has 8 divisors (see below), whose sum is σ = 43442687808. Its totient is φ = 14448131964.

The previous prime is 28929027893. The next prime is 28929027943. The reversal of 28929027898 is 89872092982.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28929027893) 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, 8188786 + ... + 8192317.

It is an arithmetic number, because the mean of its divisors is an integer number (5430335976).

Almost surely, 2^28929027898 is an apocalyptic number.

28929027898 is a deficient number, since it is larger than the sum of its proper divisors (14513659910).

28929027898 is a wasteful number, since it uses less digits than its factorization.

28929027898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381988.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 28929027898 in words is "twenty-eight billion, nine hundred twenty-nine million, twenty-seven thousand, eight hundred ninety-eight".