77141422543 has 4 divisors (see below), whose sum is σ = 77614682968. Its totient is φ = 76668162120.

The previous prime is 77141422541. The next prime is 77141422559. The reversal of 77141422543 is 34522414177.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34522414177 = 37 ⋅933038221.

It is a cyclic number.

It is not a de Polignac number, because 77141422543 - 2¹ = 77141422541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77141422496 and 77141422505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77141422541) 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, 236629968 + ... + 236630293.

It is an arithmetic number, because the mean of its divisors is an integer number (19403670742).

Almost surely, 2^77141422543 is an apocalyptic number.

77141422543 is a deficient number, since it is larger than the sum of its proper divisors (473260425).

77141422543 is a wasteful number, since it uses less digits than its factorization.

77141422543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473260424.

The product of its digits is 188160, while the sum is 40.

The spelling of 77141422543 in words is "seventy-seven billion, one hundred forty-one million, four hundred twenty-two thousand, five hundred forty-three".