9957350811 has 4 divisors (see below), whose sum is σ = 13276467752. Its totient is φ = 6638233872.

The previous prime is 9957350803. The next prime is 9957350813. The reversal of 9957350811 is 1180537599.

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

It is not a de Polignac number, because 9957350811 - 2³ = 9957350803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9957350813) 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, 1659558466 + ... + 1659558471.

It is an arithmetic number, because the mean of its divisors is an integer number (3319116938).

Almost surely, 2^9957350811 is an apocalyptic number.

9957350811 is a deficient number, since it is larger than the sum of its proper divisors (3319116941).

9957350811 is a wasteful number, since it uses less digits than its factorization.

9957350811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319116940.

The product of its (nonzero) digits is 340200, while the sum is 48.

The square root of 9957350811 is about 99786.5261996829. The cubic root of 9957350811 is about 2151.3674957026.

The spelling of 9957350811 in words is "nine billion, nine hundred fifty-seven million, three hundred fifty thousand, eight hundred eleven".