28600174381 has 2 divisors, whose sum is σ = 28600174382. Its totient is φ = 28600174380.

The previous prime is 28600174283. The next prime is 28600174387. The reversal of 28600174381 is 18347100682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25942256356 + 2657918025 = 161066^2 + 51555^2 .

It is a cyclic number.

It is not a de Polignac number, because 28600174381 - 2¹¹ = 28600172333 is a prime.

It is a super-2 number, since 2×28600174381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28600174387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300087190 + 14300087191.

It is an arithmetic number, because the mean of its divisors is an integer number (14300087191).

Almost surely, 2^28600174381 is an apocalyptic number.

It is an amenable number.

28600174381 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600174381 is an equidigital number, since it uses as much as digits as its factorization.

28600174381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 28600174381 in words is "twenty-eight billion, six hundred million, one hundred seventy-four thousand, three hundred eighty-one".