87838558253 has 2 divisors, whose sum is σ = 87838558254. Its totient is φ = 87838558252.

The previous prime is 87838558231. The next prime is 87838558261. The reversal of 87838558253 is 35285583878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73537507684 + 14301050569 = 271178^2 + 119587^2 .

It is a cyclic number.

It is not a de Polignac number, because 87838558253 - 2⁶ = 87838558189 is a prime.

It is a super-2 number, since 2×87838558253² (a number of 23 digits) contains 22 as substring.

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 (87838551253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43919279126 + 43919279127.

It is an arithmetic number, because the mean of its divisors is an integer number (43919279127).

Almost surely, 2^87838558253 is an apocalyptic number.

It is an amenable number.

87838558253 is a deficient number, since it is larger than the sum of its proper divisors (1).

87838558253 is an equidigital number, since it uses as much as digits as its factorization.

87838558253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512000, while the sum is 62.

The spelling of 87838558253 in words is "eighty-seven billion, eight hundred thirty-eight million, five hundred fifty-eight thousand, two hundred fifty-three".