80013969 has 12 divisors (see below), whose sum is σ = 132086656. Its totient is φ = 45722232.

The previous prime is 80013893. The next prime is 80013977. The reversal of 80013969 is 96931008.

It is a de Polignac number, because none of the positive numbers 2^k-80013969 is a prime.

It is a super-2 number, since 2×80013969² = 12804470470265922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80013979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634969 + ... + 635094.

Almost surely, 2^80013969 is an apocalyptic number.

It is an amenable number.

80013969 is a deficient number, since it is larger than the sum of its proper divisors (52072687).

80013969 is a wasteful number, since it uses less digits than its factorization.

80013969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270076 (or 1270073 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 80013969 is about 8945.0527667533. The cubic root of 80013969 is about 430.9120159619.

The spelling of 80013969 in words is "eighty million, thirteen thousand, nine hundred sixty-nine".