28430749498668 has 48 divisors (see below), whose sum is σ = 76178084787840. Its totient is φ = 8161937654400.

The previous prime is 28430749498631. The next prime is 28430749498681. The reversal of 28430749498668 is 86689494703482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28430749498593 and 28430749498602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5668009753 + ... + 5668014768.

It is an arithmetic number, because the mean of its divisors is an integer number (1587043433080).

Almost surely, 2^{28430749498668} is an apocalyptic number.

It is an amenable number.

28430749498668 is an abundant number, since it is smaller than the sum of its proper divisors (47747335289172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28430749498668 is a wasteful number, since it uses less digits than its factorization.

28430749498668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336024558 (or 11336024556 counting only the distinct ones).

The product of its (nonzero) digits is 4013162496, while the sum is 78.

The spelling of 28430749498668 in words is "twenty-eight trillion, four hundred thirty billion, seven hundred forty-nine million, four hundred ninety-eight thousand, six hundred sixty-eight".