28498154008 has 8 divisors (see below), whose sum is σ = 53434038780. Its totient is φ = 14249077000.

The previous prime is 28498153993. The next prime is 28498154029. The reversal of 28498154008 is 80045189482.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1781134618 + ... + 1781134633.

Almost surely, 2^28498154008 is an apocalyptic number.

It is an amenable number.

28498154008 is a deficient number, since it is larger than the sum of its proper divisors (24935884772).

28498154008 is a wasteful number, since it uses less digits than its factorization.

28498154008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562269257 (or 3562269253 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 28498154008 in words is "twenty-eight billion, four hundred ninety-eight million, one hundred fifty-four thousand, eight".