77827463710867 has 4 divisors (see below), whose sum is σ = 83814191688640. Its totient is φ = 71840735733096.

The previous prime is 77827463710853. The next prime is 77827463710877. The reversal of 77827463710867 is 76801736472877.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77827463710867 - 2²³ = 77827455322259 is a prime.

It is a super-2 number, since 2×77827463710867² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77827463710867.

It is not an unprimeable number, because it can be changed into a prime (77827463710847) 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 3 ways as a sum of consecutive naturals, for example, 2993363988867 + ... + 2993363988892.

It is an arithmetic number, because the mean of its divisors is an integer number (20953547922160).

Almost surely, 2^{77827463710867} is an apocalyptic number.

77827463710867 is a deficient number, since it is larger than the sum of its proper divisors (5986727977773).

77827463710867 is a wasteful number, since it uses less digits than its factorization.

77827463710867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986727977772.

The product of its (nonzero) digits is 929359872, while the sum is 73.

The spelling of 77827463710867 in words is "seventy-seven trillion, eight hundred twenty-seven billion, four hundred sixty-three million, seven hundred ten thousand, eight hundred sixty-seven".