28996426915 has 8 divisors (see below), whose sum is σ = 34846661808. Its totient is φ = 23163175200.

The previous prime is 28996426913. The next prime is 28996426937. The reversal of 28996426915 is 51962469982.

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

It is not a de Polignac number, because 28996426915 - 2¹ = 28996426913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28996426913) 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, 4242036 + ... + 4248865.

It is an arithmetic number, because the mean of its divisors is an integer number (4355832726).

Almost surely, 2^28996426915 is an apocalyptic number.

28996426915 is a deficient number, since it is larger than the sum of its proper divisors (5850234893).

28996426915 is an equidigital number, since it uses as much as digits as its factorization.

28996426915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491589.

The product of its digits is 16796160, while the sum is 61.

The spelling of 28996426915 in words is "twenty-eight billion, nine hundred ninety-six million, four hundred twenty-six thousand, nine hundred fifteen".