87212702 has 8 divisors (see below), whose sum is σ = 132289200. Its totient is φ = 43116304.

The previous prime is 87212687. The next prime is 87212707. The reversal of 87212702 is 20721278.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87212707) 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 in 3 ways as a sum of consecutive naturals, for example, 244802 + ... + 245157.

It is an arithmetic number, because the mean of its divisors is an integer number (16536150).

Almost surely, 2^87212702 is an apocalyptic number.

87212702 is a deficient number, since it is larger than the sum of its proper divisors (45076498).

87212702 is a wasteful number, since it uses less digits than its factorization.

87212702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490050.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 87212702 is about 9338.7741165530. The cubic root of 87212702 is about 443.4655765940.

The spelling of 87212702 in words is "eighty-seven million, two hundred twelve thousand, seven hundred two".