28299325906 has 16 divisors (see below), whose sum is σ = 42935162400. Its totient is φ = 13987673568.

The previous prime is 28299325903. The next prime is 28299325909. The reversal of 28299325906 is 60952399282.

It is an interprime number because it is at equal distance from previous prime (28299325903) and next prime (28299325909).

It is not an unprimeable number, because it can be changed into a prime (28299325903) 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, 975925 + ... + 1004503.

It is an arithmetic number, because the mean of its divisors is an integer number (2683447650).

Almost surely, 2^28299325906 is an apocalyptic number.

28299325906 is a deficient number, since it is larger than the sum of its proper divisors (14635836494).

28299325906 is a wasteful number, since it uses less digits than its factorization.

28299325906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34233.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 28299325906 in words is "twenty-eight billion, two hundred ninety-nine million, three hundred twenty-five thousand, nine hundred six".