28198430582 has 32 divisors (see below), whose sum is σ = 49266930240. Its totient is φ = 11855548800.

The previous prime is 28198430581. The next prime is 28198430597. The reversal of 28198430582 is 28503489182.

It is a self number, because there is not a number n which added to its sum of digits gives 28198430582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28198430581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62648 + ... + 245604.

It is an arithmetic number, because the mean of its divisors is an integer number (1539591570).

Almost surely, 2^28198430582 is an apocalyptic number.

28198430582 is a deficient number, since it is larger than the sum of its proper divisors (21068499658).

28198430582 is a wasteful number, since it uses less digits than its factorization.

28198430582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183176.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 28198430582 in words is "twenty-eight billion, one hundred ninety-eight million, four hundred thirty thousand, five hundred eighty-two".