9857790350099 has 4 divisors (see below), whose sum is σ = 9858669500736. Its totient is φ = 9856911199464.

The previous prime is 9857790350003. The next prime is 9857790350101. The reversal of 9857790350099 is 9900530977589.

9857790350099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9857790350099 is a prime.

It is a super-3 number, since 3×9857790350099³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9857790350299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439558499 + ... + 439580924.

It is an arithmetic number, because the mean of its divisors is an integer number (2464667375184).

Almost surely, 2^{9857790350099} is an apocalyptic number.

9857790350099 is a deficient number, since it is larger than the sum of its proper divisors (879150637).

9857790350099 is a wasteful number, since it uses less digits than its factorization.

9857790350099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879150636.

The product of its (nonzero) digits is 192893400, while the sum is 71.

The spelling of 9857790350099 in words is "nine trillion, eight hundred fifty-seven billion, seven hundred ninety million, three hundred fifty thousand, ninety-nine".