9815773057 has 8 divisors (see below), whose sum is σ = 10198987200. Its totient is φ = 9435541584.

The previous prime is 9815773039. The next prime is 9815773061. The reversal of 9815773057 is 7503775189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9815773057 - 2²⁷ = 9681555329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9815772995 and 9815773013.

It is not an unprimeable number, because it can be changed into a prime (9815773007) 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 7 ways as a sum of consecutive naturals, for example, 738957 + ... + 752122.

It is an arithmetic number, because the mean of its divisors is an integer number (1274873400).

Almost surely, 2^9815773057 is an apocalyptic number.

It is an amenable number.

9815773057 is a deficient number, since it is larger than the sum of its proper divisors (383214143).

9815773057 is a wasteful number, since it uses less digits than its factorization.

9815773057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491335.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The square root of 9815773057 is about 99074.5833047003. The cubic root of 9815773057 is about 2141.1224391666.

The spelling of 9815773057 in words is "nine billion, eight hundred fifteen million, seven hundred seventy-three thousand, fifty-seven".