80213684 has 18 divisors (see below), whose sum is σ = 149119110. Its totient is φ = 37747072.

The previous prime is 80213657. The next prime is 80213711. The reversal of 80213684 is 48631208.

It is an interprime number because it is at equal distance from previous prime (80213657) and next prime (80213711).

It can be written as a sum of positive squares in 3 ways, for example, as 38093584 + 42120100 = 6172^2 + 6490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80213684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33539 + ... + 35850.

It is an arithmetic number, because the mean of its divisors is an integer number (8284395).

Almost surely, 2^80213684 is an apocalyptic number.

It is an amenable number.

80213684 is a deficient number, since it is larger than the sum of its proper divisors (68905426).

80213684 is a wasteful number, since it uses less digits than its factorization.

80213684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69427 (or 69408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 80213684 is about 8956.2092427544. The cubic root of 80213684 is about 431.2702371236.

The spelling of 80213684 in words is "eighty million, two hundred thirteen thousand, six hundred eighty-four".