77024773645057 has 32 divisors (see below), whose sum is σ = 98938745579520. Its totient is φ = 58435696408320.

The previous prime is 77024773645021. The next prime is 77024773645067. The reversal of 77024773645057 is 75054637742077.

It is a happy number.

It is not a de Polignac number, because 77024773645057 - 2¹¹ = 77024773643009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77024773645057.

It is not an unprimeable number, because it can be changed into a prime (77024773645067) 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 31 ways as a sum of consecutive naturals, for example, 292655944 + ... + 292919017.

It is an arithmetic number, because the mean of its divisors is an integer number (3091835799360).

Almost surely, 2^{77024773645057} is an apocalyptic number.

It is an amenable number.

77024773645057 is a deficient number, since it is larger than the sum of its proper divisors (21913971934463).

77024773645057 is a wasteful number, since it uses less digits than its factorization.

77024773645057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585575053.

The product of its (nonzero) digits is 242020800, while the sum is 64.

The spelling of 77024773645057 in words is "seventy-seven trillion, twenty-four billion, seven hundred seventy-three million, six hundred forty-five thousand, fifty-seven".