180700078697 has 2 divisors, whose sum is σ = 180700078698. Its totient is φ = 180700078696.

The previous prime is 180700078679. The next prime is 180700078709. The reversal of 180700078697 is 796870007081.

Together with previous prime (180700078679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115154350336 + 65545728361 = 339344^2 + 256019^2 .

It is a cyclic number.

It is not a de Polignac number, because 180700078697 - 2⁸ = 180700078441 is a prime.

It is a super-2 number, since 2×180700078697² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (180700078667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90350039348 + 90350039349.

It is an arithmetic number, because the mean of its divisors is an integer number (90350039349).

Almost surely, 2^180700078697 is an apocalyptic number.

It is an amenable number.

180700078697 is a deficient number, since it is larger than the sum of its proper divisors (1).

180700078697 is an equidigital number, since it uses as much as digits as its factorization.

180700078697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The spelling of 180700078697 in words is "one hundred eighty billion, seven hundred million, seventy-eight thousand, six hundred ninety-seven".