28053602377 has 2 divisors, whose sum is σ = 28053602378. Its totient is φ = 28053602376.

The previous prime is 28053602363. The next prime is 28053602393. The reversal of 28053602377 is 77320635082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27422035216 + 631567161 = 165596^2 + 25131^2 .

It is a cyclic number.

It is not a de Polignac number, because 28053602377 - 2¹⁹ = 28053078089 is a prime.

It is not a weakly prime, because it can be changed into another prime (28053602327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026801188 + 14026801189.

It is an arithmetic number, because the mean of its divisors is an integer number (14026801189).

Almost surely, 2^28053602377 is an apocalyptic number.

It is an amenable number.

28053602377 is a deficient number, since it is larger than the sum of its proper divisors (1).

28053602377 is an equidigital number, since it uses as much as digits as its factorization.

28053602377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 28053602377 in words is "twenty-eight billion, fifty-three million, six hundred two thousand, three hundred seventy-seven".