28621837516192 has 48 divisors (see below), whose sum is σ = 56794614972480. Its totient is φ = 14197933700608.

The previous prime is 28621837516141. The next prime is 28621837516219. The reversal of 28621837516192 is 29161573812682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28621837516192.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349909 + ... + 9266347.

It is an arithmetic number, because the mean of its divisors is an integer number (1183221145260).

Almost surely, 2^{28621837516192} is an apocalyptic number.

It is an amenable number.

28621837516192 is a deficient number, since it is larger than the sum of its proper divisors (28172777456288).

28621837516192 is a wasteful number, since it uses less digits than its factorization.

28621837516192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918253 (or 3918245 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 28621837516192 in words is "twenty-eight trillion, six hundred twenty-one billion, eight hundred thirty-seven million, five hundred sixteen thousand, one hundred ninety-two".