9940827983 has 2 divisors, whose sum is σ = 9940827984. Its totient is φ = 9940827982.

The previous prime is 9940827971. The next prime is 9940827991. The reversal of 9940827983 is 3897280499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9940827983 - 2²⁴ = 9924050767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9940827383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970413991 + 4970413992.

It is an arithmetic number, because the mean of its divisors is an integer number (4970413992).

Almost surely, 2^9940827983 is an apocalyptic number.

9940827983 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940827983 is an equidigital number, since it uses as much as digits as its factorization.

9940827983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The square root of 9940827983 is about 99703.7009493630. The cubic root of 9940827983 is about 2150.1768726312.

The spelling of 9940827983 in words is "nine billion, nine hundred forty million, eight hundred twenty-seven thousand, nine hundred eighty-three".