83305808253057 has 16 divisors (see below), whose sum is σ = 119638107263808. Its totient is φ = 51256751000640.

The previous prime is 83305808253053. The next prime is 83305808253089. The reversal of 83305808253057 is 75035280850338.

It is not a de Polignac number, because 83305808253057 - 2² = 83305808253053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83305808252988 and 83305808253006.

It is not an unprimeable number, because it can be changed into a prime (83305808253053) 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, 173961378 + ... + 174439595.

It is an arithmetic number, because the mean of its divisors is an integer number (7477381703988).

Almost surely, 2^{83305808253057} is an apocalyptic number.

It is an amenable number.

83305808253057 is a deficient number, since it is larger than the sum of its proper divisors (36332299010751).

83305808253057 is a wasteful number, since it uses less digits than its factorization.

83305808253057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348407120.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 83305808253057 in words is "eighty-three trillion, three hundred five billion, eight hundred eight million, two hundred fifty-three thousand, fifty-seven".