87462653 has 2 divisors, whose sum is σ = 87462654. Its totient is φ = 87462652.

The previous prime is 87462649. The next prime is 87462691. The reversal of 87462653 is 35626478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 17623204 = 8357^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 87462653 - 2² = 87462649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87462653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87462623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43731326 + 43731327.

It is an arithmetic number, because the mean of its divisors is an integer number (43731327).

Almost surely, 2^87462653 is an apocalyptic number.

It is an amenable number.

87462653 is a deficient number, since it is larger than the sum of its proper divisors (1).

87462653 is an equidigital number, since it uses as much as digits as its factorization.

87462653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 87462653 is about 9352.1469727544. The cubic root of 87462653 is about 443.8888289289. Note that the first 4 decimals are identical.

The spelling of 87462653 in words is "eighty-seven million, four hundred sixty-two thousand, six hundred fifty-three".