87026228647 has 2 divisors, whose sum is σ = 87026228648. Its totient is φ = 87026228646.

The previous prime is 87026228567. The next prime is 87026228677. The reversal of 87026228647 is 74682262078.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87026228647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87026228594 and 87026228603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87026228677) 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, 43513114323 + 43513114324.

It is an arithmetic number, because the mean of its divisors is an integer number (43513114324).

Almost surely, 2^87026228647 is an apocalyptic number.

87026228647 is a deficient number, since it is larger than the sum of its proper divisors (1).

87026228647 is an equidigital number, since it uses as much as digits as its factorization.

87026228647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 87026228647 in words is "eighty-seven billion, twenty-six million, two hundred twenty-eight thousand, six hundred forty-seven".