76557094243 has 16 divisors (see below), whose sum is σ = 88822172160. Its totient is φ = 64626105600.

The previous prime is 76557094181. The next prime is 76557094249. The reversal of 76557094243 is 34249075567.

It is a happy number.

It is not a de Polignac number, because 76557094243 - 2⁹ = 76557093731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76557094249) 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 15 ways as a sum of consecutive naturals, for example, 378808 + ... + 544618.

It is an arithmetic number, because the mean of its divisors is an integer number (5551385760).

Almost surely, 2^76557094243 is an apocalyptic number.

76557094243 is a deficient number, since it is larger than the sum of its proper divisors (12265077917).

76557094243 is a wasteful number, since it uses less digits than its factorization.

76557094243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166818.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 76557094243 in words is "seventy-six billion, five hundred fifty-seven million, ninety-four thousand, two hundred forty-three".