87225650231 has 2 divisors, whose sum is σ = 87225650232. Its totient is φ = 87225650230.

The previous prime is 87225650201. The next prime is 87225650257. The reversal of 87225650231 is 13205652278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87225650231 - 2³⁰ = 86151908407 is a prime.

It is a super-2 number, since 2×87225650231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87225650201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43612825115 + 43612825116.

It is an arithmetic number, because the mean of its divisors is an integer number (43612825116).

Almost surely, 2^87225650231 is an apocalyptic number.

87225650231 is a deficient number, since it is larger than the sum of its proper divisors (1).

87225650231 is an equidigital number, since it uses as much as digits as its factorization.

87225650231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 87225650231 in words is "eighty-seven billion, two hundred twenty-five million, six hundred fifty thousand, two hundred thirty-one".