80438011 has 2 divisors, whose sum is σ = 80438012. Its totient is φ = 80438010.

The previous prime is 80437997. The next prime is 80438027. The reversal of 80438011 is 11083408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80438011 - 2⁵ = 80437979 is a prime.

It is a super-2 number, since 2×80438011² = 12940547227272242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80438051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40219005 + 40219006.

It is an arithmetic number, because the mean of its divisors is an integer number (40219006).

Almost surely, 2^80438011 is an apocalyptic number.

80438011 is a deficient number, since it is larger than the sum of its proper divisors (1).

80438011 is an equidigital number, since it uses as much as digits as its factorization.

80438011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80438011 is about 8968.7240452586. The cubic root of 80438011 is about 431.6718955720.

The spelling of 80438011 in words is "eighty million, four hundred thirty-eight thousand, eleven".