77533264163 has 2 divisors, whose sum is σ = 77533264164. Its totient is φ = 77533264162.

The previous prime is 77533264103. The next prime is 77533264187. The reversal of 77533264163 is 36146233577.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77533264163 - 2¹² = 77533260067 is a prime.

It is a super-2 number, since 2×77533264163² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77533264103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38766632081 + 38766632082.

It is an arithmetic number, because the mean of its divisors is an integer number (38766632082).

Almost surely, 2^77533264163 is an apocalyptic number.

77533264163 is a deficient number, since it is larger than the sum of its proper divisors (1).

77533264163 is an equidigital number, since it uses as much as digits as its factorization.

77533264163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 47.

The spelling of 77533264163 in words is "seventy-seven billion, five hundred thirty-three million, two hundred sixty-four thousand, one hundred sixty-three".