80800247 has 4 divisors (see below), whose sum is σ = 88145736. Its totient is φ = 73454760.

The previous prime is 80800231. The next prime is 80800253. The reversal of 80800247 is 74200808.

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 80800247 - 2⁴ = 80800231 is a prime.

It is a super-2 number, since 2×80800247² = 13057359830522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80805247) 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, 3672728 + ... + 3672749.

It is an arithmetic number, because the mean of its divisors is an integer number (22036434).

Almost surely, 2^80800247 is an apocalyptic number.

80800247 is a deficient number, since it is larger than the sum of its proper divisors (7345489).

80800247 is a wasteful number, since it uses less digits than its factorization.

80800247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345488.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 80800247 is about 8988.8957608819. The cubic root of 80800247 is about 432.3189071111.

The spelling of 80800247 in words is "eighty million, eight hundred thousand, two hundred forty-seven".