80838711 has 12 divisors (see below), whose sum is σ = 122912920. Its totient is φ = 51055920.

The previous prime is 80838701. The next prime is 80838739. The reversal of 80838711 is 11783808.

It is not a de Polignac number, because 80838711 - 2⁵ = 80838679 is a prime.

It is a super-2 number, since 2×80838711² = 13069794392283042, 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 (80838701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236200 + ... + 236541.

Almost surely, 2^80838711 is an apocalyptic number.

80838711 is a deficient number, since it is larger than the sum of its proper divisors (42074209).

80838711 is a wasteful number, since it uses less digits than its factorization.

80838711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472766 (or 472763 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 80838711 is about 8991.0350349668. The cubic root of 80838711 is about 432.3874963260.

The spelling of 80838711 in words is "eighty million, eight hundred thirty-eight thousand, seven hundred eleven".