77477060111 has 4 divisors (see below), whose sum is σ = 84520429224. Its totient is φ = 70433691000.

The previous prime is 77477060107. The next prime is 77477060137. The reversal of 77477060111 is 11106077477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11106077477 = 11 ⋅1009643407.

It is a cyclic number.

It is not a de Polignac number, because 77477060111 - 2² = 77477060107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77477060161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3521684540 + ... + 3521684561.

It is an arithmetic number, because the mean of its divisors is an integer number (21130107306).

Almost surely, 2^77477060111 is an apocalyptic number.

77477060111 is a deficient number, since it is larger than the sum of its proper divisors (7043369113).

77477060111 is a wasteful number, since it uses less digits than its factorization.

77477060111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043369112.

The product of its (nonzero) digits is 57624, while the sum is 41.

The spelling of 77477060111 in words is "seventy-seven billion, four hundred seventy-seven million, sixty thousand, one hundred eleven".