80213699 has 4 divisors (see below), whose sum is σ = 80677536. Its totient is φ = 79749864.

The previous prime is 80213657. The next prime is 80213711. The reversal of 80213699 is 99631208.

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

It is a cyclic number.

It is not a de Polignac number, because 80213699 - 2¹² = 80209603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80213629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231659 + ... + 232004.

It is an arithmetic number, because the mean of its divisors is an integer number (20169384).

Almost surely, 2^80213699 is an apocalyptic number.

80213699 is a deficient number, since it is larger than the sum of its proper divisors (463837).

80213699 is a wasteful number, since it uses less digits than its factorization.

80213699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463836.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 80213699 is about 8956.2100801623. The cubic root of 80213699 is about 431.2702640061.

The spelling of 80213699 in words is "eighty million, two hundred thirteen thousand, six hundred ninety-nine".