73195769857 has 16 divisors (see below), whose sum is σ = 88609669632. Its totient is φ = 59024263680.

The previous prime is 73195769849. The next prime is 73195769903. The reversal of 73195769857 is 75896759137.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73195769857 - 2³ = 73195769849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73195769792 and 73195769801.

It is not an unprimeable number, because it can be changed into a prime (73195769357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164488 + ... + 416470.

It is an arithmetic number, because the mean of its divisors is an integer number (5538104352).

Almost surely, 2^73195769857 is an apocalyptic number.

It is an amenable number.

73195769857 is a deficient number, since it is larger than the sum of its proper divisors (15413899775).

73195769857 is a wasteful number, since it uses less digits than its factorization.

73195769857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254448.

The product of its digits is 100018800, while the sum is 67.

The spelling of 73195769857 in words is "seventy-three billion, one hundred ninety-five million, seven hundred sixty-nine thousand, eight hundred fifty-seven".