87803860253 has 2 divisors, whose sum is σ = 87803860254. Its totient is φ = 87803860252.

The previous prime is 87803860237. The next prime is 87803860267. The reversal of 87803860253 is 35206830878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87505330969 + 298529284 = 295813^2 + 17278^2 .

It is a cyclic number.

It is not a de Polignac number, because 87803860253 - 2⁴ = 87803860237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87803860283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43901930126 + 43901930127.

It is an arithmetic number, because the mean of its divisors is an integer number (43901930127).

Almost surely, 2^87803860253 is an apocalyptic number.

It is an amenable number.

87803860253 is a deficient number, since it is larger than the sum of its proper divisors (1).

87803860253 is an equidigital number, since it uses as much as digits as its factorization.

87803860253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 87803860253 in words is "eighty-seven billion, eight hundred three million, eight hundred sixty thousand, two hundred fifty-three".