28896720767598 has 8 divisors (see below), whose sum is σ = 57793441535208. Its totient is φ = 9632240255864.

The previous prime is 28896720767597. The next prime is 28896720767647. The reversal of 28896720767598 is 89576702769882.

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

28896720767598 is an admirable number.

It is a super-2 number, since 2×28896720767598² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28896720767598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896720767597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408060063961 + ... + 2408060063972.

It is an arithmetic number, because the mean of its divisors is an integer number (7224180191901).

Almost surely, 2^{28896720767598} is an apocalyptic number.

28896720767598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28896720767598 is a wasteful number, since it uses less digits than its factorization.

28896720767598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816120127938.

The product of its (nonzero) digits is 10241925120, while the sum is 84.

The spelling of 28896720767598 in words is "twenty-eight trillion, eight hundred ninety-six billion, seven hundred twenty million, seven hundred sixty-seven thousand, five hundred ninety-eight".