87367265 has 8 divisors (see below), whose sum is σ = 104912808. Its totient is φ = 69845760.

The previous prime is 87367261. The next prime is 87367277. The reversal of 87367265 is 56276378.

It can be written as a sum of positive squares in 4 ways, for example, as 7246864 + 80120401 = 2692^2 + 8951^2 .

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

It is not a de Polignac number, because 87367265 - 2² = 87367261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87367261) 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 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (13114101).

Almost surely, 2^87367265 is an apocalyptic number.

It is an amenable number.

87367265 is a deficient number, since it is larger than the sum of its proper divisors (17545543).

87367265 is a wasteful number, since it uses less digits than its factorization.

87367265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019.

The product of its digits is 423360, while the sum is 44.

The square root of 87367265 is about 9347.0457899809. The cubic root of 87367265 is about 443.7273997615.

The spelling of 87367265 in words is "eighty-seven million, three hundred sixty-seven thousand, two hundred sixty-five".