80740733777 has 16 divisors (see below), whose sum is σ = 89617102080. Its totient is φ = 72127843200.

The previous prime is 80740733771. The next prime is 80740733789. The reversal of 80740733777 is 77733704708.

It is a cyclic number.

It is not a de Polignac number, because 80740733777 - 2⁶ = 80740733713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80740733771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32099 + ... + 403127.

It is an arithmetic number, because the mean of its divisors is an integer number (5601068880).

Almost surely, 2^80740733777 is an apocalyptic number.

It is an amenable number.

80740733777 is a deficient number, since it is larger than the sum of its proper divisors (8876368303).

80740733777 is a wasteful number, since it uses less digits than its factorization.

80740733777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371384.

The product of its (nonzero) digits is 4840416, while the sum is 53.

The spelling of 80740733777 in words is "eighty billion, seven hundred forty million, seven hundred thirty-three thousand, seven hundred seventy-seven".