77671107044073 has 16 divisors (see below), whose sum is σ = 115068931929600. Its totient is φ = 51780456690480.

The previous prime is 77671107044059. The next prime is 77671107044081. The reversal of 77671107044073 is 37044070117677.

77671107044073 is a `hidden beast` number, since 7 + 7 + 67 + 1 + 1 + 0 + 70 + 440 + 73 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-77671107044073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77671107044173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692518 + ... + 12751151.

It is an arithmetic number, because the mean of its divisors is an integer number (7191808245600).

Almost surely, 2^{77671107044073} is an apocalyptic number.

It is an amenable number.

77671107044073 is a deficient number, since it is larger than the sum of its proper divisors (37397824885527).

77671107044073 is a wasteful number, since it uses less digits than its factorization.

77671107044073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15629949 (or 15629943 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 54.

The spelling of 77671107044073 in words is "seventy-seven trillion, six hundred seventy-one billion, one hundred seven million, forty-four thousand, seventy-three".