28355958598 has 8 divisors (see below), whose sum is σ = 46400659560. Its totient is φ = 12889072080.

The previous prime is 28355958577. The next prime is 28355958599. The reversal of 28355958598 is 89585955382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28355958598² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28355958599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644453583 + ... + 644453626.

It is an arithmetic number, because the mean of its divisors is an integer number (5800082445).

Almost surely, 2^28355958598 is an apocalyptic number.

28355958598 is a deficient number, since it is larger than the sum of its proper divisors (18044700962).

28355958598 is a wasteful number, since it uses less digits than its factorization.

28355958598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288907222.

The product of its digits is 155520000, while the sum is 67.

The spelling of 28355958598 in words is "twenty-eight billion, three hundred fifty-five million, nine hundred fifty-eight thousand, five hundred ninety-eight".