87026228677 has 2 divisors, whose sum is σ = 87026228678. Its totient is φ = 87026228676.

The previous prime is 87026228647. The next prime is 87026228683. The reversal of 87026228677 is 77682262078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85857204196 + 1169024481 = 293014^2 + 34191^2 .

It is a cyclic number.

It is not a de Polignac number, because 87026228677 - 2¹⁵ = 87026195909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87026228647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43513114338 + 43513114339.

It is an arithmetic number, because the mean of its divisors is an integer number (43513114339).

Almost surely, 2^87026228677 is an apocalyptic number.

It is an amenable number.

87026228677 is a deficient number, since it is larger than the sum of its proper divisors (1).

87026228677 is an equidigital number, since it uses as much as digits as its factorization.

87026228677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 87026228677 in words is "eighty-seven billion, twenty-six million, two hundred twenty-eight thousand, six hundred seventy-seven".