76785843137 has 8 divisors (see below), whose sum is σ = 80456830080. Its totient is φ = 73142562240.

The previous prime is 76785843133. The next prime is 76785843143. The reversal of 76785843137 is 73134858767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76785843137 - 2² = 76785843133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76785843131) 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 7 ways as a sum of consecutive naturals, for example, 6920837 + ... + 6931922.

It is an arithmetic number, because the mean of its divisors is an integer number (10057103760).

Almost surely, 2^76785843137 is an apocalyptic number.

It is an amenable number.

76785843137 is a deficient number, since it is larger than the sum of its proper divisors (3670986943).

76785843137 is a wasteful number, since it uses less digits than its factorization.

76785843137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853023.

The product of its digits is 23708160, while the sum is 59.

The spelling of 76785843137 in words is "seventy-six billion, seven hundred eighty-five million, eight hundred forty-three thousand, one hundred thirty-seven".