80767733 has 2 divisors, whose sum is σ = 80767734. Its totient is φ = 80767732.

The previous prime is 80767723. The next prime is 80767747. The reversal of 80767733 is 33776708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 611524 = 8953^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 80767733 - 2⁶ = 80767669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80767723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40383866 + 40383867.

It is an arithmetic number, because the mean of its divisors is an integer number (40383867).

Almost surely, 2^80767733 is an apocalyptic number.

It is an amenable number.

80767733 is a deficient number, since it is larger than the sum of its proper divisors (1).

80767733 is an equidigital number, since it uses as much as digits as its factorization.

80767733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 80767733 is about 8987.0870141554. The cubic root of 80767733 is about 432.2609109897.

Subtracting from 80767733 its reverse (33776708), we obtain a square (46991025 = 6855²).

The spelling of 80767733 in words is "eighty million, seven hundred sixty-seven thousand, seven hundred thirty-three".