28100359057 has 2 divisors, whose sum is σ = 28100359058. Its totient is φ = 28100359056.

The previous prime is 28100359039. The next prime is 28100359087. The reversal of 28100359057 is 75095300182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21305489296 + 6794869761 = 145964^2 + 82431^2 .

It is a cyclic number.

It is not a de Polignac number, because 28100359057 - 2⁷ = 28100358929 is a prime.

It is not a weakly prime, because it can be changed into another prime (28100359087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050179528 + 14050179529.

It is an arithmetic number, because the mean of its divisors is an integer number (14050179529).

Almost surely, 2^28100359057 is an apocalyptic number.

It is an amenable number.

28100359057 is a deficient number, since it is larger than the sum of its proper divisors (1).

28100359057 is an equidigital number, since it uses as much as digits as its factorization.

28100359057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 28100359057 in words is "twenty-eight billion, one hundred million, three hundred fifty-nine thousand, fifty-seven".