87201610 has 8 divisors (see below), whose sum is σ = 156962916. Its totient is φ = 34880640.

The previous prime is 87201607. The next prime is 87201613. The reversal of 87201610 is 1610278.

It is an interprime number because it is at equal distance from previous prime (87201607) and next prime (87201613).

It can be written as a sum of positive squares in 2 ways, for example, as 87104889 + 96721 = 9333^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87201613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4360071 + ... + 4360090.

Almost surely, 2^87201610 is an apocalyptic number.

87201610 is a deficient number, since it is larger than the sum of its proper divisors (69761306).

87201610 is a wasteful number, since it uses less digits than its factorization.

87201610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720168.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 87201610 is about 9338.1802295736. The cubic root of 87201610 is about 443.4467753238.

Adding to 87201610 its reverse (1610278), we get a palindrome (88811888).

The spelling of 87201610 in words is "eighty-seven million, two hundred one thousand, six hundred ten".