77242432255711 has 4 divisors (see below), whose sum is σ = 77673954223800. Its totient is φ = 76810910287624.

The previous prime is 77242432255603. The next prime is 77242432255717. The reversal of 77242432255711 is 11755223424277.

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 77242432255711 - 2²⁹ = 77241895384799 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 (77242432255717) 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, 215760983776 + ... + 215760984133.

It is an arithmetic number, because the mean of its divisors is an integer number (19418488555950).

Almost surely, 2^{77242432255711} is an apocalyptic number.

77242432255711 is a deficient number, since it is larger than the sum of its proper divisors (431521968089).

77242432255711 is a wasteful number, since it uses less digits than its factorization.

77242432255711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431521968088.

The product of its digits is 6585600, while the sum is 52.

Adding to 77242432255711 its reverse (11755223424277), we get a palindrome (88997655679988).

The spelling of 77242432255711 in words is "seventy-seven trillion, two hundred forty-two billion, four hundred thirty-two million, two hundred fifty-five thousand, seven hundred eleven".