87762216229 has 2 divisors, whose sum is σ = 87762216230. Its totient is φ = 87762216228.

The previous prime is 87762216211. The next prime is 87762216233. The reversal of 87762216229 is 92261226778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81723372129 + 6038844100 = 285873^2 + 77710^2 .

It is a cyclic number.

It is not a de Polignac number, because 87762216229 - 2¹⁷ = 87762085157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87762216329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43881108114 + 43881108115.

It is an arithmetic number, because the mean of its divisors is an integer number (43881108115).

Almost surely, 2^87762216229 is an apocalyptic number.

It is an amenable number.

87762216229 is a deficient number, since it is larger than the sum of its proper divisors (1).

87762216229 is an equidigital number, since it uses as much as digits as its factorization.

87762216229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The spelling of 87762216229 in words is "eighty-seven billion, seven hundred sixty-two million, two hundred sixteen thousand, two hundred twenty-nine".