80072881 has 8 divisors (see below), whose sum is σ = 91569024. Its totient is φ = 68591040.

The previous prime is 80072849. The next prime is 80072891. The reversal of 80072881 is 18827008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80072881 - 2⁵ = 80072849 is a prime.

It is a super-2 number, since 2×80072881² = 12823332543280322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80072891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14601 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (11446128).

Almost surely, 2^80072881 is an apocalyptic number.

It is an amenable number.

80072881 is a deficient number, since it is larger than the sum of its proper divisors (11496143).

80072881 is a wasteful number, since it uses less digits than its factorization.

80072881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 80072881 is about 8948.3451542729. The cubic root of 80072881 is about 431.0177460874.

Adding to 80072881 its reverse (18827008), we get a palindrome (98899889).

The spelling of 80072881 in words is "eighty million, seventy-two thousand, eight hundred eighty-one".