85577088253 has 2 divisors, whose sum is σ = 85577088254. Its totient is φ = 85577088252.

The previous prime is 85577088151. The next prime is 85577088277. The reversal of 85577088253 is 35288077558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50158977444 + 35418110809 = 223962^2 + 188197^2 .

It is a cyclic number.

It is not a de Polignac number, because 85577088253 - 2⁹ = 85577087741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85577088293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42788544126 + 42788544127.

It is an arithmetic number, because the mean of its divisors is an integer number (42788544127).

Almost surely, 2^85577088253 is an apocalyptic number.

It is an amenable number.

85577088253 is a deficient number, since it is larger than the sum of its proper divisors (1).

85577088253 is an equidigital number, since it uses as much as digits as its factorization.

85577088253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 85577088253 in words is "eighty-five billion, five hundred seventy-seven million, eighty-eight thousand, two hundred fifty-three".