80967580 has 36 divisors (see below), whose sum is σ = 172064088. Its totient is φ = 32004000.

The previous prime is 80967577. The next prime is 80967587. The reversal of 80967580 is 8576908.

It is a happy number.

It is a super-2 number, since 2×80967580² = 13111498022112800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80967587) 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, 322455 + ... + 322705.

It is an arithmetic number, because the mean of its divisors is an integer number (4779558).

Almost surely, 2^80967580 is an apocalyptic number.

It is an amenable number.

80967580 is an abundant number, since it is smaller than the sum of its proper divisors (91096508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80967580 is a wasteful number, since it uses less digits than its factorization.

80967580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 80967580 is about 8998.1987086305. The cubic root of 80967580 is about 432.6171377951.

The spelling of 80967580 in words is "eighty million, nine hundred sixty-seven thousand, five hundred eighty".