87333773 has 2 divisors, whose sum is σ = 87333774. Its totient is φ = 87333772.

The previous prime is 87333751. The next prime is 87333781. The reversal of 87333773 is 37733378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84584809 + 2748964 = 9197^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 87333773 - 2²⁶ = 20224909 is a prime.

It is a super-3 number, since 3×87333773³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87333773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87333733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43666886 + 43666887.

It is an arithmetic number, because the mean of its divisors is an integer number (43666887).

Almost surely, 2^87333773 is an apocalyptic number.

It is an amenable number.

87333773 is a deficient number, since it is larger than the sum of its proper divisors (1).

87333773 is an equidigital number, since it uses as much as digits as its factorization.

87333773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 41.

The square root of 87333773 is about 9345.2540361405. The cubic root of 87333773 is about 443.6706919565.

The spelling of 87333773 in words is "eighty-seven million, three hundred thirty-three thousand, seven hundred seventy-three".