28930943999 has 8 divisors (see below), whose sum is σ = 29311077120. Its totient is φ = 28551159000.

The previous prime is 28930943971. The next prime is 28930944017. The reversal of 28930943999 is 99934903982.

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 28930943999 - 2²⁴ = 28914166783 is a prime.

It is a super-2 number, since 2×28930943999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28930943399) 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, 82424 + ... + 254274.

It is an arithmetic number, because the mean of its divisors is an integer number (3663884640).

Almost surely, 2^28930943999 is an apocalyptic number.

28930943999 is a deficient number, since it is larger than the sum of its proper divisors (380133121).

28930943999 is a wasteful number, since it uses less digits than its factorization.

28930943999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174061.

The product of its (nonzero) digits is 34012224, while the sum is 65.

The spelling of 28930943999 in words is "twenty-eight billion, nine hundred thirty million, nine hundred forty-three thousand, nine hundred ninety-nine".