87265493 has 8 divisors (see below), whose sum is σ = 100615488. Its totient is φ = 74136384.

The previous prime is 87265487. The next prime is 87265501. The reversal of 87265493 is 39456278.

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

It is not a de Polignac number, because 87265493 - 2⁸ = 87265237 is a prime.

It is a super-3 number, since 3×87265493³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87265433) 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, 54371 + ... + 55952.

It is an arithmetic number, because the mean of its divisors is an integer number (12576936).

Almost surely, 2^87265493 is an apocalyptic number.

It is an amenable number.

87265493 is a deficient number, since it is larger than the sum of its proper divisors (13349995).

87265493 is a wasteful number, since it uses less digits than its factorization.

87265493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110443.

The product of its digits is 362880, while the sum is 44.

The square root of 87265493 is about 9341.6001305986. The cubic root of 87265493 is about 443.5550370687. Note that the first 3 decimals are identical.

The spelling of 87265493 in words is "eighty-seven million, two hundred sixty-five thousand, four hundred ninety-three".