77732532668123 has 4 divisors (see below), whose sum is σ = 79050033221880. Its totient is φ = 76415032114368.

The previous prime is 77732532668099. The next prime is 77732532668143. The reversal of 77732532668123 is 32186623523777.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77732532668123 - 2¹⁶ = 77732532602587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77732532668143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658750276790 + ... + 658750276907.

It is an arithmetic number, because the mean of its divisors is an integer number (19762508305470).

Almost surely, 2^{77732532668123} is an apocalyptic number.

77732532668123 is a deficient number, since it is larger than the sum of its proper divisors (1317500553757).

77732532668123 is a wasteful number, since it uses less digits than its factorization.

77732532668123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317500553756.

The product of its digits is 106686720, while the sum is 62.

The spelling of 77732532668123 in words is "seventy-seven trillion, seven hundred thirty-two billion, five hundred thirty-two million, six hundred sixty-eight thousand, one hundred twenty-three".