80266077 has 6 divisors (see below), whose sum is σ = 115939902. Its totient is φ = 53510712.

The previous prime is 80266073. The next prime is 80266097. The reversal of 80266077 is 77066208.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 181476 = 8949^2 + 426^2 .

It is not a de Polignac number, because 80266077 - 2² = 80266073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80266073) 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 5 ways as a sum of consecutive naturals, for example, 4459218 + ... + 4459235.

It is an arithmetic number, because the mean of its divisors is an integer number (19323317).

Almost surely, 2^80266077 is an apocalyptic number.

It is an amenable number.

80266077 is a deficient number, since it is larger than the sum of its proper divisors (35673825).

80266077 is a wasteful number, since it uses less digits than its factorization.

80266077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918459 (or 8918456 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 80266077 is about 8959.1337192834. The cubic root of 80266077 is about 431.3641139728.

The spelling of 80266077 in words is "eighty million, two hundred sixty-six thousand, seventy-seven".