76840245123 has 16 divisors (see below), whose sum is σ = 108485989920. Its totient is φ = 48210978816.

The previous prime is 76840245077. The next prime is 76840245199. The reversal of 76840245123 is 32154204867.

It is not a de Polignac number, because 76840245123 - 2⁶ = 76840245059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76840246123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699911 + ... + 1744527.

It is an arithmetic number, because the mean of its divisors is an integer number (6780374370).

Almost surely, 2^76840245123 is an apocalyptic number.

76840245123 is a deficient number, since it is larger than the sum of its proper divisors (31645744797).

76840245123 is a wasteful number, since it uses less digits than its factorization.

76840245123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78406.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 76840245123 in words is "seventy-six billion, eight hundred forty million, two hundred forty-five thousand, one hundred twenty-three".