99682957771 has 2 divisors, whose sum is σ = 99682957772. Its totient is φ = 99682957770.

The previous prime is 99682957769. The next prime is 99682957837. The reversal of 99682957771 is 17775928699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99682957771 - 2¹ = 99682957769 is a prime.

Together with 99682957769, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99682957771.

It is not a weakly prime, because it can be changed into another prime (99682957471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49841478885 + 49841478886.

It is an arithmetic number, because the mean of its divisors is an integer number (49841478886).

Almost surely, 2^99682957771 is an apocalyptic number.

99682957771 is a deficient number, since it is larger than the sum of its proper divisors (1).

99682957771 is an equidigital number, since it uses as much as digits as its factorization.

99682957771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120022560, while the sum is 70.

The spelling of 99682957771 in words is "ninety-nine billion, six hundred eighty-two million, nine hundred fifty-seven thousand, seven hundred seventy-one".