28913207468 has 12 divisors (see below), whose sum is σ = 50617965552. Its totient is φ = 14450931600.

The previous prime is 28913207467. The next prime is 28913207473. The reversal of 28913207468 is 86470231982.

It is a super-2 number, since 2×28913207468² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28913207467) 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, 1406555 + ... + 1426962.

It is an arithmetic number, because the mean of its divisors is an integer number (4218163796).

Almost surely, 2^28913207468 is an apocalyptic number.

It is an amenable number.

28913207468 is a deficient number, since it is larger than the sum of its proper divisors (21704758084).

28913207468 is a wasteful number, since it uses less digits than its factorization.

28913207468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836072 (or 2836070 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 28913207468 in words is "twenty-eight billion, nine hundred thirteen million, two hundred seven thousand, four hundred sixty-eight".