87331502 has 4 divisors (see below), whose sum is σ = 130997256. Its totient is φ = 43665750.

The previous prime is 87331501. The next prime is 87331547. The reversal of 87331502 is 20513378.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87331501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21832874 + ... + 21832877.

It is an arithmetic number, because the mean of its divisors is an integer number (32749314).

Almost surely, 2^87331502 is an apocalyptic number.

87331502 is a deficient number, since it is larger than the sum of its proper divisors (43665754).

87331502 is a wasteful number, since it uses less digits than its factorization.

87331502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43665753.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 87331502 is about 9345.1325298254. The cubic root of 87331502 is about 443.6668462320. Note that the first 3 decimals are identical.

The spelling of 87331502 in words is "eighty-seven million, three hundred thirty-one thousand, five hundred two".