28760177 has 2 divisors, whose sum is σ = 28760178. Its totient is φ = 28760176.

The previous prime is 28760159. The next prime is 28760191. The reversal of 28760177 is 77106782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 73441 = 5356^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 28760177 - 2⁶ = 28760113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28760177.

It is not a weakly prime, because it can be changed into another prime (28760117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14380088 + 14380089.

It is an arithmetic number, because the mean of its divisors is an integer number (14380089).

Almost surely, 2^28760177 is an apocalyptic number.

It is an amenable number.

28760177 is a deficient number, since it is larger than the sum of its proper divisors (1).

28760177 is an equidigital number, since it uses as much as digits as its factorization.

28760177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 28760177 is about 5362.8515735567. The cubic root of 28760177 is about 306.3824265827.

The spelling of 28760177 in words is "twenty-eight million, seven hundred sixty thousand, one hundred seventy-seven".