87133322 has 4 divisors (see below), whose sum is σ = 130699986. Its totient is φ = 43566660.

The previous prime is 87133307. The next prime is 87133331. The reversal of 87133322 is 22333178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80263681 + 6869641 = 8959^2 + 2621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21783329 + ... + 21783332.

Almost surely, 2^87133322 is an apocalyptic number.

87133322 is a deficient number, since it is larger than the sum of its proper divisors (43566664).

87133322 is a wasteful number, since it uses less digits than its factorization.

87133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43566663.

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

The square root of 87133322 is about 9334.5231265448. The cubic root of 87133322 is about 443.3309899940.

The spelling of 87133322 in words is "eighty-seven million, one hundred thirty-three thousand, three hundred twenty-two".