76453742378 has 16 divisors (see below), whose sum is σ = 125595459360. Its totient is φ = 34688268336.

The previous prime is 76453742327. The next prime is 76453742413. The reversal of 76453742378 is 87324735467.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24918200 + ... + 24921267.

It is an arithmetic number, because the mean of its divisors is an integer number (7849716210).

Almost surely, 2^76453742378 is an apocalyptic number.

76453742378 is a deficient number, since it is larger than the sum of its proper divisors (49141716982).

76453742378 is a wasteful number, since it uses less digits than its factorization.

76453742378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49839541.

The product of its digits is 23708160, while the sum is 56.

The spelling of 76453742378 in words is "seventy-six billion, four hundred fifty-three million, seven hundred forty-two thousand, three hundred seventy-eight".