28831439307 has 8 divisors (see below), whose sum is σ = 41936639040. Its totient is φ = 17473599560.

The previous prime is 28831439303. The next prime is 28831439311. The reversal of 28831439307 is 70393413882.

It is an interprime number because it is at equal distance from previous prime (28831439303) and next prime (28831439311).

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 28831439307 - 2² = 28831439303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28831439303) 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, 436839957 + ... + 436840022.

It is an arithmetic number, because the mean of its divisors is an integer number (5242079880).

Almost surely, 2^28831439307 is an apocalyptic number.

28831439307 is a deficient number, since it is larger than the sum of its proper divisors (13105199733).

28831439307 is a wasteful number, since it uses less digits than its factorization.

28831439307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873679993.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 28831439307 in words is "twenty-eight billion, eight hundred thirty-one million, four hundred thirty-nine thousand, three hundred seven".