80081477 has 4 divisors (see below), whose sum is σ = 91521696. Its totient is φ = 68641260.

The previous prime is 80081473. The next prime is 80081483. The reversal of 80081477 is 77418008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80081477 - 2² = 80081473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80081473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720099 + ... + 5720112.

It is an arithmetic number, because the mean of its divisors is an integer number (22880424).

Almost surely, 2^80081477 is an apocalyptic number.

It is an amenable number.

80081477 is a deficient number, since it is larger than the sum of its proper divisors (11440219).

80081477 is a wasteful number, since it uses less digits than its factorization.

80081477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440218.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 80081477 is about 8948.8254536559. The cubic root of 80081477 is about 431.0331691033.

The spelling of 80081477 in words is "eighty million, eighty-one thousand, four hundred seventy-seven".