77441077111 has 4 divisors (see below), whose sum is σ = 78753637800. Its totient is φ = 76128516424.

The previous prime is 77441077081. The next prime is 77441077193. The reversal of 77441077111 is 11177014477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11177014477 = 77849 ⋅143573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77441077111 is a prime.

It is a super-2 number, since 2×77441077111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77441047111) 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, 656280256 + ... + 656280373.

It is an arithmetic number, because the mean of its divisors is an integer number (19688409450).

Almost surely, 2^77441077111 is an apocalyptic number.

77441077111 is a deficient number, since it is larger than the sum of its proper divisors (1312560689).

77441077111 is a wasteful number, since it uses less digits than its factorization.

77441077111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312560688.

The product of its (nonzero) digits is 38416, while the sum is 40.

The spelling of 77441077111 in words is "seventy-seven billion, four hundred forty-one million, seventy-seven thousand, one hundred eleven".