76423438857 has 16 divisors (see below), whose sum is σ = 103794194880. Its totient is φ = 50003641152.

The previous prime is 76423438813. The next prime is 76423438933. The reversal of 76423438857 is 75883432467.

It is not a de Polignac number, because 76423438857 - 2¹⁰ = 76423437833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76423438797 and 76423438806.

It is not an unprimeable number, because it can be changed into a prime (76423438057) 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, 243678 + ... + 460679.

It is an arithmetic number, because the mean of its divisors is an integer number (6487137180).

Almost surely, 2^76423438857 is an apocalyptic number.

It is an amenable number.

76423438857 is a deficient number, since it is larger than the sum of its proper divisors (27370756023).

76423438857 is a wasteful number, since it uses less digits than its factorization.

76423438857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705032.

The product of its digits is 27095040, while the sum is 57.

The spelling of 76423438857 in words is "seventy-six billion, four hundred twenty-three million, four hundred thirty-eight thousand, eight hundred fifty-seven".