77732066247123 has 12 divisors (see below), whose sum is σ = 107339880623768. Its totient is φ = 50034433444800.

The previous prime is 77732066247107. The next prime is 77732066247149. The reversal of 77732066247123 is 32174266023777.

It is not a de Polignac number, because 77732066247123 - 2⁴ = 77732066247107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77732066240123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15404687578 + ... + 15404692623.

Almost surely, 2^{77732066247123} is an apocalyptic number.

77732066247123 is a deficient number, since it is larger than the sum of its proper divisors (29607814376645).

77732066247123 is a wasteful number, since it uses less digits than its factorization.

77732066247123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30809380262 (or 30809380233 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 57.

The spelling of 77732066247123 in words is "seventy-seven trillion, seven hundred thirty-two billion, sixty-six million, two hundred forty-seven thousand, one hundred twenty-three".