28098926284 has 36 divisors (see below), whose sum is σ = 58087252440. Its totient is φ = 11789756160.

The previous prime is 28098926263. The next prime is 28098926309. The reversal of 28098926284 is 48262989082.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1881949 + ... + 1896820.

It is an arithmetic number, because the mean of its divisors is an integer number (1613534790).

Almost surely, 2^28098926284 is an apocalyptic number.

It is an amenable number.

28098926284 is an abundant number, since it is smaller than the sum of its proper divisors (29988326156).

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

28098926284 is a wasteful number, since it uses less digits than its factorization.

28098926284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778810 (or 3778795 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 28098926284 in words is "twenty-eight billion, ninety-eight million, nine hundred twenty-six thousand, two hundred eighty-four".