87373753 has 2 divisors, whose sum is σ = 87373754. Its totient is φ = 87373752.

The previous prime is 87373751. The next prime is 87373789. The reversal of 87373753 is 35737378.

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., 82391929 + 4981824 = 9077^2 + 2232^2 .

It is a cyclic number.

It is not a de Polignac number, because 87373753 - 2¹ = 87373751 is a prime.

Together with 87373751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87373751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43686876 + 43686877.

It is an arithmetic number, because the mean of its divisors is an integer number (43686877).

Almost surely, 2^87373753 is an apocalyptic number.

It is an amenable number.

87373753 is a deficient number, since it is larger than the sum of its proper divisors (1).

87373753 is an equidigital number, since it uses as much as digits as its factorization.

87373753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 43.

The square root of 87373753 is about 9347.3928450665. The cubic root of 87373753 is about 443.7383834028.

It can be divided in two parts, 8737375 and 3, that added together give a palindrome (8737378).

The spelling of 87373753 in words is "eighty-seven million, three hundred seventy-three thousand, seven hundred fifty-three".