80131869 has 16 divisors (see below), whose sum is σ = 122544640. Its totient is φ = 51697440.

The previous prime is 80131867. The next prime is 80131871. The reversal of 80131869 is 96813108.

It is an interprime number because it is at equal distance from previous prime (80131867) and next prime (80131871).

It is not a de Polignac number, because 80131869 - 2¹ = 80131867 is a prime.

It is a super-2 number, since 2×80131869² = 12842232858866322, 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 (80131861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47032 + ... + 48705.

It is an arithmetic number, because the mean of its divisors is an integer number (7659040).

Almost surely, 2^80131869 is an apocalyptic number.

It is an amenable number.

80131869 is a deficient number, since it is larger than the sum of its proper divisors (42412771).

80131869 is a wasteful number, since it uses less digits than its factorization.

80131869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95777 (or 95771 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 80131869 is about 8951.6405758945. The cubic root of 80131869 is about 431.1235606641.

The spelling of 80131869 in words is "eighty million, one hundred thirty-one thousand, eight hundred sixty-nine".