80767955641 has 2 divisors, whose sum is σ = 80767955642. Its totient is φ = 80767955640.

The previous prime is 80767955563. The next prime is 80767955647. The reversal of 80767955641 is 14655976708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40836326400 + 39931629241 = 202080^2 + 199829^2 .

It is a cyclic number.

It is not a de Polignac number, because 80767955641 - 2¹⁷ = 80767824569 is a prime.

It is not a weakly prime, because it can be changed into another prime (80767955647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40383977820 + 40383977821.

It is an arithmetic number, because the mean of its divisors is an integer number (40383977821).

Almost surely, 2^80767955641 is an apocalyptic number.

It is an amenable number.

80767955641 is a deficient number, since it is larger than the sum of its proper divisors (1).

80767955641 is an equidigital number, since it uses as much as digits as its factorization.

80767955641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 80767955641 in words is "eighty billion, seven hundred sixty-seven million, nine hundred fifty-five thousand, six hundred forty-one".