87752201 has 2 divisors, whose sum is σ = 87752202. Its totient is φ = 87752200.

The previous prime is 87752129. The next prime is 87752219. The reversal of 87752201 is 10225778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84198976 + 3553225 = 9176^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 87752201 - 2¹⁸ = 87490057 is a prime.

It is not a weakly prime, because it can be changed into another prime (87752251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43876100 + 43876101.

It is an arithmetic number, because the mean of its divisors is an integer number (43876101).

Almost surely, 2^87752201 is an apocalyptic number.

It is an amenable number.

87752201 is a deficient number, since it is larger than the sum of its proper divisors (1).

87752201 is an equidigital number, since it uses as much as digits as its factorization.

87752201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 87752201 is about 9367.6144775498. The cubic root of 87752201 is about 444.3781255884.

Adding to 87752201 its reverse (10225778), we get a palindrome (97977979).

The spelling of 87752201 in words is "eighty-seven million, seven hundred fifty-two thousand, two hundred one".