87418221627131 has 2 divisors, whose sum is σ = 87418221627132. Its totient is φ = 87418221627130.

The previous prime is 87418221627083. The next prime is 87418221627179. The reversal of 87418221627131 is 13172612281478.

It is a balanced prime because it is at equal distance from previous prime (87418221627083) and next prime (87418221627179).

It is a cyclic number.

It is not a de Polignac number, because 87418221627131 - 2⁴² = 83020175116027 is a prime.

It is a super-2 number, since 2×87418221627131² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87418221927131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43709110813565 + 43709110813566.

It is an arithmetic number, because the mean of its divisors is an integer number (43709110813566).

Almost surely, 2^{87418221627131} is an apocalyptic number.

87418221627131 is a deficient number, since it is larger than the sum of its proper divisors (1).

87418221627131 is an equidigital number, since it uses as much as digits as its factorization.

87418221627131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 53.

The spelling of 87418221627131 in words is "eighty-seven trillion, four hundred eighteen billion, two hundred twenty-one million, six hundred twenty-seven thousand, one hundred thirty-one".