77053338123 has 8 divisors (see below), whose sum is σ = 102744245136. Its totient is φ = 51365661600.

The previous prime is 77053338121. The next prime is 77053338127. The reversal of 77053338123 is 32183335077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77053338123 - 2¹ = 77053338121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77053338121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751408 + ... + 847773.

It is an arithmetic number, because the mean of its divisors is an integer number (12843030642).

Almost surely, 2^77053338123 is an apocalyptic number.

77053338123 is a deficient number, since it is larger than the sum of its proper divisors (25690907013).

77053338123 is a wasteful number, since it uses less digits than its factorization.

77053338123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615245.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 77053338123 in words is "seventy-seven billion, fifty-three million, three hundred thirty-eight thousand, one hundred twenty-three".