87207453 has 6 divisors (see below), whose sum is σ = 125966334. Its totient is φ = 58138296.

The previous prime is 87207431. The next prime is 87207481. The reversal of 87207453 is 35470278.

It can be written as a sum of positive squares in only one way, i.e., 57198969 + 30008484 = 7563^2 + 5478^2 .

It is not a de Polignac number, because 87207453 - 2²⁴ = 70430237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87207403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4844850 + ... + 4844867.

It is an arithmetic number, because the mean of its divisors is an integer number (20994389).

Almost surely, 2^87207453 is an apocalyptic number.

It is an amenable number.

87207453 is a deficient number, since it is larger than the sum of its proper divisors (38758881).

87207453 is a wasteful number, since it uses less digits than its factorization.

87207453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689723 (or 9689720 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 87207453 is about 9338.4930797212. The cubic root of 87207453 is about 443.4566795814.

The spelling of 87207453 in words is "eighty-seven million, two hundred seven thousand, four hundred fifty-three".