77151760811 has 4 divisors (see below), whose sum is σ = 77152781400. Its totient is φ = 77150740224.

The previous prime is 77151760799. The next prime is 77151760859. The reversal of 77151760811 is 11806715177.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11806715177 = 617 ⋅19135681.

It is a cyclic number.

It is not a de Polignac number, because 77151760811 - 2³⁰ = 76078018987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77151765811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386966 + ... + 551403.

It is an arithmetic number, because the mean of its divisors is an integer number (19288195350).

Almost surely, 2^77151760811 is an apocalyptic number.

77151760811 is a deficient number, since it is larger than the sum of its proper divisors (1020589).

77151760811 is an equidigital number, since it uses as much as digits as its factorization.

77151760811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020588.

The product of its (nonzero) digits is 82320, while the sum is 44.

The spelling of 77151760811 in words is "seventy-seven billion, one hundred fifty-one million, seven hundred sixty thousand, eight hundred eleven".