77734141727 has 16 divisors (see below), whose sum is σ = 85329911808. Its totient is φ = 70226918880.

The previous prime is 77734141711. The next prime is 77734141759. The reversal of 77734141727 is 72714143777.

It is a cyclic number.

It is not a de Polignac number, because 77734141727 - 2⁴ = 77734141711 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 (77734141327) 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 15 ways as a sum of consecutive naturals, for example, 4831298 + ... + 4847360.

It is an arithmetic number, because the mean of its divisors is an integer number (5333119488).

Almost surely, 2^77734141727 is an apocalyptic number.

77734141727 is a deficient number, since it is larger than the sum of its proper divisors (7595770081).

77734141727 is a wasteful number, since it uses less digits than its factorization.

77734141727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18790.

The product of its digits is 1613472, while the sum is 50.

The spelling of 77734141727 in words is "seventy-seven billion, seven hundred thirty-four million, one hundred forty-one thousand, seven hundred twenty-seven".