77135741543 has 12 divisors (see below), whose sum is σ = 89741585232. Its totient is φ = 66107321280.

The previous prime is 77135741467. The next prime is 77135741563. The reversal of 77135741543 is 34514753177.

It is not a de Polignac number, because 77135741543 - 2²² = 77131547239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77135741563) 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, 268271 + ... + 475647.

It is an arithmetic number, because the mean of its divisors is an integer number (7478465436).

Almost surely, 2^77135741543 is an apocalyptic number.

77135741543 is a deficient number, since it is larger than the sum of its proper divisors (12605843689).

77135741543 is a wasteful number, since it uses less digits than its factorization.

77135741543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214982 (or 214975 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 47.

The spelling of 77135741543 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-one thousand, five hundred forty-three".