28234180339 has 8 divisors (see below), whose sum is σ = 28492299072. Its totient is φ = 27976206720.

The previous prime is 28234180321. The next prime is 28234180349. The reversal of 28234180339 is 93308143282.

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

It is a cyclic number.

It is not a de Polignac number, because 28234180339 - 2²³ = 28225791731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28234180295 and 28234180304.

It is not an unprimeable number, because it can be changed into a prime (28234180319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375897 + ... + 444709.

It is an arithmetic number, because the mean of its divisors is an integer number (3561537384).

Almost surely, 2^28234180339 is an apocalyptic number.

28234180339 is a deficient number, since it is larger than the sum of its proper divisors (258118733).

28234180339 is a wasteful number, since it uses less digits than its factorization.

28234180339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72557.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 28234180339 in words is "twenty-eight billion, two hundred thirty-four million, one hundred eighty thousand, three hundred thirty-nine".