80768121 has 12 divisors (see below), whose sum is σ = 125273232. Its totient is φ = 46153128.

The previous prime is 80768119. The next prime is 80768159. The reversal of 80768121 is 12186708.

It is a happy number.

It is not a de Polignac number, because 80768121 - 2¹ = 80768119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80768101) 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 11 ways as a sum of consecutive naturals, for example, 274575 + ... + 274868.

It is an arithmetic number, because the mean of its divisors is an integer number (10439436).

Almost surely, 2^80768121 is an apocalyptic number.

It is an amenable number.

80768121 is a deficient number, since it is larger than the sum of its proper divisors (44505111).

80768121 is a wasteful number, since it uses less digits than its factorization.

80768121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549460 (or 549453 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 80768121 is about 8987.1086006568. The cubic root of 80768121 is about 432.2616031678.

The spelling of 80768121 in words is "eighty million, seven hundred sixty-eight thousand, one hundred twenty-one".