77254323819793 has 16 divisors (see below), whose sum is σ = 81379128600000. Its totient is φ = 73135403312832.

The previous prime is 77254323819769. The next prime is 77254323819811. The reversal of 77254323819793 is 39791832345277.

It is a cyclic number.

It is not a de Polignac number, because 77254323819793 - 2¹³ = 77254323811601 is a prime.

It is a super-2 number, since 2×77254323819793² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77254323819713) 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 15 ways as a sum of consecutive naturals, for example, 592026271 + ... + 592156747.

It is an arithmetic number, because the mean of its divisors is an integer number (5086195537500).

Almost surely, 2^{77254323819793} is an apocalyptic number.

It is an amenable number.

77254323819793 is a deficient number, since it is larger than the sum of its proper divisors (4124804780207).

77254323819793 is a wasteful number, since it uses less digits than its factorization.

77254323819793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152784.

The product of its digits is 480090240, while the sum is 70.

The spelling of 77254323819793 in words is "seventy-seven trillion, two hundred fifty-four billion, three hundred twenty-three million, eight hundred nineteen thousand, seven hundred ninety-three".