77161030711 has 4 divisors (see below), whose sum is σ = 77164845912. Its totient is φ = 77157215512.

The previous prime is 77161030691. The next prime is 77161030741. The reversal of 77161030711 is 11703016177.

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 77161030711 - 2²³ = 77152642103 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 (77161030741) 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, 1877101 + ... + 1917766.

It is an arithmetic number, because the mean of its divisors is an integer number (19291211478).

Almost surely, 2^77161030711 is an apocalyptic number.

77161030711 is a deficient number, since it is larger than the sum of its proper divisors (3815201).

77161030711 is a wasteful number, since it uses less digits than its factorization.

77161030711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815200.

The product of its (nonzero) digits is 6174, while the sum is 34.

Adding to 77161030711 its reverse (11703016177), we get a palindrome (88864046888).

The spelling of 77161030711 in words is "seventy-seven billion, one hundred sixty-one million, thirty thousand, seven hundred eleven".