28351484079 has 4 divisors (see below), whose sum is σ = 37801978776. Its totient is φ = 18900989384.

The previous prime is 28351484071. The next prime is 28351484101. The reversal of 28351484079 is 97048415382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28351484079 - 2³ = 28351484071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28351484071) 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, 4725247344 + ... + 4725247349.

It is an arithmetic number, because the mean of its divisors is an integer number (9450494694).

Almost surely, 2^28351484079 is an apocalyptic number.

28351484079 is a deficient number, since it is larger than the sum of its proper divisors (9450494697).

28351484079 is an equidigital number, since it uses as much as digits as its factorization.

28351484079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450494696.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 28351484079 in words is "twenty-eight billion, three hundred fifty-one million, four hundred eighty-four thousand, seventy-nine".