87760201 has 2 divisors, whose sum is σ = 87760202. Its totient is φ = 87760200.

The previous prime is 87760181. The next prime is 87760271. The reversal of 87760201 is 10206778.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 39388176 = 6955^2 + 6276^2 .

It is a cyclic number.

It is not a de Polignac number, because 87760201 - 2¹³ = 87752009 is a prime.

It is not a weakly prime, because it can be changed into another prime (87760271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43880100 + 43880101.

It is an arithmetic number, because the mean of its divisors is an integer number (43880101).

Almost surely, 2^87760201 is an apocalyptic number.

It is an amenable number.

87760201 is a deficient number, since it is larger than the sum of its proper divisors (1).

87760201 is an equidigital number, since it uses as much as digits as its factorization.

87760201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 87760201 is about 9368.0414708732. The cubic root of 87760201 is about 444.3916292078.

Adding to 87760201 its reverse (10206778), we get a palindrome (97966979).

The spelling of 87760201 in words is "eighty-seven million, seven hundred sixty thousand, two hundred one".