87713265 has 16 divisors (see below), whose sum is σ = 141058368. Its totient is φ = 46541376.

The previous prime is 87713261. The next prime is 87713267. The reversal of 87713265 is 56231778.

It is not a de Polignac number, because 87713265 - 2² = 87713261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87713261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11887 + ... + 17796.

It is an arithmetic number, because the mean of its divisors is an integer number (8816148).

Almost surely, 2^87713265 is an apocalyptic number.

It is an amenable number.

87713265 is a deficient number, since it is larger than the sum of its proper divisors (53345103).

87713265 is a wasteful number, since it uses less digits than its factorization.

87713265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29888.

The product of its digits is 70560, while the sum is 39.

The square root of 87713265 is about 9365.5360231009. The cubic root of 87713265 is about 444.3123917524.

It can be divided in two parts, 87713 and 265, that added together give a palindrome (87978).

The spelling of 87713265 in words is "eighty-seven million, seven hundred thirteen thousand, two hundred sixty-five".