80104761 has 16 divisors (see below), whose sum is σ = 129462720. Its totient is φ = 48548160.

The previous prime is 80104721. The next prime is 80104763. The reversal of 80104761 is 16740108.

It is a happy number.

It is not a de Polignac number, because 80104761 - 2²³ = 71716153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80104763) 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 15 ways as a sum of consecutive naturals, for example, 134560 + ... + 135153.

It is an arithmetic number, because the mean of its divisors is an integer number (8091420).

Almost surely, 2^80104761 is an apocalyptic number.

It is an amenable number.

80104761 is a deficient number, since it is larger than the sum of its proper divisors (49357959).

80104761 is a wasteful number, since it uses less digits than its factorization.

80104761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269733 (or 269727 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80104761 is about 8950.1263119578. The cubic root of 80104761 is about 431.0749399104.

Adding to 80104761 its reverse (16740108), we get a palindrome (96844869).

It can be divided in two parts, 801047 and 61, that added together give a palindrome (801108).

The spelling of 80104761 in words is "eighty million, one hundred four thousand, seven hundred sixty-one".