87383133 has 6 divisors (see below), whose sum is σ = 126220094. Its totient is φ = 58255416.

The previous prime is 87383123. The next prime is 87383143. The reversal of 87383133 is 33138378.

It is an interprime number because it is at equal distance from previous prime (87383123) and next prime (87383143).

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 558009 = 9318^2 + 747^2 .

It is not a de Polignac number, because 87383133 - 2⁶ = 87383069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87383123) 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, 4854610 + ... + 4854627.

Almost surely, 2^87383133 is an apocalyptic number.

It is an amenable number.

87383133 is a deficient number, since it is larger than the sum of its proper divisors (38836961).

87383133 is a wasteful number, since it uses less digits than its factorization.

87383133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709243 (or 9709240 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 87383133 is about 9347.8945757855. The cubic root of 87383133 is about 443.7542619970.

The spelling of 87383133 in words is "eighty-seven million, three hundred eighty-three thousand, one hundred thirty-three".