76847827329 has 128 divisors (see below), whose sum is σ = 149324492800. Its totient is φ = 38399800896.

The previous prime is 76847827297. The next prime is 76847827337. The reversal of 76847827329 is 92372874867.

76847827329 is a `hidden beast` number, since 76 + 8 + 478 + 2 + 73 + 29 = 666.

It is not a de Polignac number, because 76847827329 - 2⁵ = 76847827297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (76847827369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3771162 + ... + 3791484.

It is an arithmetic number, because the mean of its divisors is an integer number (1166597600).

Almost surely, 2^76847827329 is an apocalyptic number.

It is an amenable number.

76847827329 is a deficient number, since it is larger than the sum of its proper divisors (72476665471).

76847827329 is a wasteful number, since it uses less digits than its factorization.

76847827329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20383 (or 20365 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 76847827329 in words is "seventy-six billion, eight hundred forty-seven million, eight hundred twenty-seven thousand, three hundred twenty-nine".