80071580 has 12 divisors (see below), whose sum is σ = 168150360. Its totient is φ = 32028624.

The previous prime is 80071577. The next prime is 80071591. The reversal of 80071580 is 8517008.

It is a happy number.

It is a super-2 number, since 2×80071580² = 12822915847392800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001770 + ... + 2001809.

It is an arithmetic number, because the mean of its divisors is an integer number (14012530).

Almost surely, 2^80071580 is an apocalyptic number.

It is an amenable number.

80071580 is an abundant number, since it is smaller than the sum of its proper divisors (88078780).

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

80071580 is a wasteful number, since it uses less digits than its factorization.

80071580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003588 (or 4003586 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 80071580 is about 8948.2724589722. The cubic root of 80071580 is about 431.0154117260.

Adding to 80071580 its reverse (8517008), we get a palindrome (88588588).

The spelling of 80071580 in words is "eighty million, seventy-one thousand, five hundred eighty".