87332893 has 8 divisors (see below), whose sum is σ = 93738168. Its totient is φ = 81068544.

The previous prime is 87332887. The next prime is 87332897. The reversal of 87332893 is 39823378.

It can be written as a sum of positive squares in 4 ways, for example, as 3829849 + 83503044 = 1957^2 + 9138^2 .

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

It is not a de Polignac number, because 87332893 - 2⁹ = 87332381 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 (87332897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33946 + ... + 36427.

It is an arithmetic number, because the mean of its divisors is an integer number (11717271).

Almost surely, 2^87332893 is an apocalyptic number.

It is an amenable number.

87332893 is a deficient number, since it is larger than the sum of its proper divisors (6405275).

87332893 is a wasteful number, since it uses less digits than its factorization.

87332893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70463.

The product of its digits is 217728, while the sum is 43.

The square root of 87332893 is about 9345.2069532996. The cubic root of 87332893 is about 443.6692017673.

The spelling of 87332893 in words is "eighty-seven million, three hundred thirty-two thousand, eight hundred ninety-three".