87773133 has 8 divisors (see below), whose sum is σ = 133749568. Its totient is φ = 50156064.

The previous prime is 87773123. The next prime is 87773143. The reversal of 87773133 is 33137778.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87773123) and next prime (87773143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87773133 - 2⁸ = 87772877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87773091 and 87773100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87773113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089816 + ... + 2089857.

It is an arithmetic number, because the mean of its divisors is an integer number (16718696).

Almost surely, 2^87773133 is an apocalyptic number.

It is an amenable number.

87773133 is a deficient number, since it is larger than the sum of its proper divisors (45976435).

87773133 is a wasteful number, since it uses less digits than its factorization.

87773133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179683.

The product of its digits is 74088, while the sum is 39.

The square root of 87773133 is about 9368.7316644250. The cubic root of 87773133 is about 444.4134560732.

The spelling of 87773133 in words is "eighty-seven million, seven hundred seventy-three thousand, one hundred thirty-three".