87211014 has 16 divisors (see below), whose sum is σ = 190278720. Its totient is φ = 26427560.

The previous prime is 87211013. The next prime is 87211021. The reversal of 87211014 is 41011278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87211013) 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, 660624 + ... + 660755.

It is an arithmetic number, because the mean of its divisors is an integer number (11892420).

Almost surely, 2^87211014 is an apocalyptic number.

87211014 is an abundant number, since it is smaller than the sum of its proper divisors (103067706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87211014 is a wasteful number, since it uses less digits than its factorization.

87211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321395.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 87211014 is about 9338.6837402281. The cubic root of 87211014 is about 443.4627154865.

The spelling of 87211014 in words is "eighty-seven million, two hundred eleven thousand, fourteen".