28128555962 has 32 divisors (see below), whose sum is σ = 47833728768. Its totient is φ = 12308034816.

The previous prime is 28128555953. The next prime is 28128555971. The reversal of 28128555962 is 26955582182.

It is an interprime number because it is at equal distance from previous prime (28128555953) and next prime (28128555971).

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, 140558 + ... + 275705.

It is an arithmetic number, because the mean of its divisors is an integer number (1494804024).

Almost surely, 2^28128555962 is an apocalyptic number.

28128555962 is a deficient number, since it is larger than the sum of its proper divisors (19705172806).

28128555962 is a wasteful number, since it uses less digits than its factorization.

28128555962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416414.

The product of its digits is 3456000, while the sum is 53.

The spelling of 28128555962 in words is "twenty-eight billion, one hundred twenty-eight million, five hundred fifty-five thousand, nine hundred sixty-two".