77256671111 has 8 divisors (see below), whose sum is σ = 80357595648. Its totient is φ = 74193795000.

The previous prime is 77256671101. The next prime is 77256671117. The reversal of 77256671111 is 11117665277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77256671111 - 2⁶ = 77256671047 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 (77256671117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9507965 + ... + 9516086.

It is an arithmetic number, because the mean of its divisors is an integer number (10044699456).

Almost surely, 2^77256671111 is an apocalyptic number.

77256671111 is a deficient number, since it is larger than the sum of its proper divisors (3100924537).

77256671111 is a wasteful number, since it uses less digits than its factorization.

77256671111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19024213.

The product of its digits is 123480, while the sum is 44.

The spelling of 77256671111 in words is "seventy-seven billion, two hundred fifty-six million, six hundred seventy-one thousand, one hundred eleven".