28059600100 has 81 divisors (see below), whose sum is σ = 70860059067. Its totient is φ = 9616414080.

The previous prime is 28059600073. The next prime is 28059600113. The reversal of 28059600100 is 100695082.

The square root of 28059600100 is 167510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13951861924 + 14107738176 = 118118^2 + 118776^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11724504 + ... + 11726896.

Almost surely, 2^28059600100 is an apocalyptic number.

28059600100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

28059600100 is the 167510-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28059600100

28059600100 is an abundant number, since it is smaller than the sum of its proper divisors (42800458967).

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

28059600100 is an equidigital number, since it uses as much as digits as its factorization.

28059600100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 28059600100 in words is "twenty-eight billion, fifty-nine million, six hundred thousand, one hundred".