77830911063 has 12 divisors (see below), whose sum is σ = 114100374648. Its totient is φ = 51112836720.

The previous prime is 77830911043. The next prime is 77830911083. The reversal of 77830911063 is 36011903877.

It is an interprime number because it is at equal distance from previous prime (77830911043) and next prime (77830911083).

It is not a de Polignac number, because 77830911063 - 2⁵ = 77830911031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77830911043) 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 11 ways as a sum of consecutive naturals, for example, 64535808 + ... + 64537013.

It is an arithmetic number, because the mean of its divisors is an integer number (9508364554).

Almost surely, 2^77830911063 is an apocalyptic number.

77830911063 is a deficient number, since it is larger than the sum of its proper divisors (36269463585).

77830911063 is a wasteful number, since it uses less digits than its factorization.

77830911063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129072894 (or 129072891 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 77830911063 in words is "seventy-seven billion, eight hundred thirty million, nine hundred eleven thousand, sixty-three".