80277808081 has 8 divisors (see below), whose sum is σ = 81283638240. Its totient is φ = 79272897792.

The previous prime is 80277808069. The next prime is 80277808097. The reversal of 80277808081 is 18080877208.

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

It is a cyclic number.

It is not a de Polignac number, because 80277808081 - 2²³ = 80269419473 is a prime.

It is a super-3 number, since 3×80277808081³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80277808031) 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, 53491 + ... + 404248.

It is an arithmetic number, because the mean of its divisors is an integer number (10160454780).

Almost surely, 2^80277808081 is an apocalyptic number.

It is an amenable number.

80277808081 is a deficient number, since it is larger than the sum of its proper divisors (1005830159).

80277808081 is a wasteful number, since it uses less digits than its factorization.

80277808081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459935.

The product of its (nonzero) digits is 401408, while the sum is 49.

The spelling of 80277808081 in words is "eighty billion, two hundred seventy-seven million, eight hundred eight thousand, eighty-one".