87140333 has 4 divisors (see below), whose sum is σ = 99588960. Its totient is φ = 74691708.

The previous prime is 87140329. The next prime is 87140341. The reversal of 87140333 is 33304178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 87140333 - 2² = 87140329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87140296 and 87140305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87140363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6224303 + ... + 6224316.

It is an arithmetic number, because the mean of its divisors is an integer number (24897240).

Almost surely, 2^87140333 is an apocalyptic number.

It is an amenable number.

87140333 is a deficient number, since it is larger than the sum of its proper divisors (12448627).

87140333 is a wasteful number, since it uses less digits than its factorization.

87140333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448626.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 87140333 is about 9334.8986604033. The cubic root of 87140333 is about 443.3428802411.

The spelling of 87140333 in words is "eighty-seven million, one hundred forty thousand, three hundred thirty-three".