77133627663 has 16 divisors (see below), whose sum is σ = 103231349760. Its totient is φ = 51229511424.

The previous prime is 77133627581. The next prime is 77133627671. The reversal of 77133627663 is 36672633177.

It is not a de Polignac number, because 77133627663 - 2²⁶ = 77066518799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77133627463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851298 + ... + 937536.

It is an arithmetic number, because the mean of its divisors is an integer number (6451959360).

Almost surely, 2^77133627663 is an apocalyptic number.

77133627663 is a deficient number, since it is larger than the sum of its proper divisors (26097722097).

77133627663 is a wasteful number, since it uses less digits than its factorization.

77133627663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87358.

The product of its digits is 4000752, while the sum is 51.

The spelling of 77133627663 in words is "seventy-seven billion, one hundred thirty-three million, six hundred twenty-seven thousand, six hundred sixty-three".