80789481 has 12 divisors (see below), whose sum is σ = 121018352. Its totient is φ = 53859492.

The previous prime is 80789477. The next prime is 80789507. The reversal of 80789481 is 18498708.

It is not a de Polignac number, because 80789481 - 2² = 80789477 is a prime.

It is a super-2 number, since 2×80789481² = 13053880480498722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80789411) 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, 165991 + ... + 166476.

Almost surely, 2^80789481 is an apocalyptic number.

80789481 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80789481 is a deficient number, since it is larger than the sum of its proper divisors (40228871).

80789481 is an equidigital number, since it uses as much as digits as its factorization.

80789481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332482 (or 332470 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 80789481 is about 8988.2968909577. The cubic root of 80789481 is about 432.2997052222.

The spelling of 80789481 in words is "eighty million, seven hundred eighty-nine thousand, four hundred eighty-one".