87220153 has 2 divisors, whose sum is σ = 87220154. Its totient is φ = 87220152.

The previous prime is 87220151. The next prime is 87220247. The reversal of 87220153 is 35102278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73736569 + 13483584 = 8587^2 + 3672^2 .

It is a cyclic number.

It is not a de Polignac number, because 87220153 - 2¹ = 87220151 is a prime.

Together with 87220151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87220151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43610076 + 43610077.

It is an arithmetic number, because the mean of its divisors is an integer number (43610077).

Almost surely, 2^87220153 is an apocalyptic number.

It is an amenable number.

87220153 is a deficient number, since it is larger than the sum of its proper divisors (1).

87220153 is an equidigital number, since it uses as much as digits as its factorization.

87220153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 87220153 is about 9339.1730361954. The cubic root of 87220153 is about 443.4782053657.

It can be divided in two parts, 872 and 20153, that added together give a square (21025 = 145²).

The spelling of 87220153 in words is "eighty-seven million, two hundred twenty thousand, one hundred fifty-three".