77744670011 has 12 divisors (see below), whose sum is σ = 85251001920. Its totient is φ = 70811076480.

The previous prime is 77744670001. The next prime is 77744670061. The reversal of 77744670011 is 11007644777.

It is not a de Polignac number, because 77744670011 - 2¹⁰ = 77744668987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77744670001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4329956 + ... + 4347873.

It is an arithmetic number, because the mean of its divisors is an integer number (7104250160).

Almost surely, 2^77744670011 is an apocalyptic number.

77744670011 is a deficient number, since it is larger than the sum of its proper divisors (7506331909).

77744670011 is a wasteful number, since it uses less digits than its factorization.

77744670011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677894 (or 8677877 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 77744670011 in words is "seventy-seven billion, seven hundred forty-four million, six hundred seventy thousand, eleven".