121776534793 has 2 divisors, whose sum is σ = 121776534794. Its totient is φ = 121776534792.

The previous prime is 121776534787. The next prime is 121776534799. The reversal of 121776534793 is 397435677121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (121776534787) and next prime (121776534799).

It can be written as a sum of positive squares in only one way, i.e., 68870554624 + 52905980169 = 262432^2 + 230013^2 .

It is a cyclic number.

It is not a de Polignac number, because 121776534793 - 2³³ = 113186600201 is a prime.

It is not a weakly prime, because it can be changed into another prime (121776534799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60888267396 + 60888267397.

It is an arithmetic number, because the mean of its divisors is an integer number (60888267397).

Almost surely, 2^121776534793 is an apocalyptic number.

It is an amenable number.

121776534793 is a deficient number, since it is larger than the sum of its proper divisors (1).

121776534793 is an equidigital number, since it uses as much as digits as its factorization.

121776534793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 55.

The spelling of 121776534793 in words is "one hundred twenty-one billion, seven hundred seventy-six million, five hundred thirty-four thousand, seven hundred ninety-three".