967713991 has 2 divisors, whose sum is σ = 967713992. Its totient is φ = 967713990.

The previous prime is 967713977. The next prime is 967714037. The reversal of 967713991 is 199317769.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 967713991 - 2⁹ = 967713479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (967713911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483856995 + 483856996.

It is an arithmetic number, because the mean of its divisors is an integer number (483856996).

Almost surely, 2^967713991 is an apocalyptic number.

967713991 is a deficient number, since it is larger than the sum of its proper divisors (1).

967713991 is an equidigital number, since it uses as much as digits as its factorization.

967713991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978, while the sum is 52.

The square root of 967713991 is about 31108.1016939318. The cubic root of 967713991 is about 989.1200530526.

The spelling of 967713991 in words is "nine hundred sixty-seven million, seven hundred thirteen thousand, nine hundred ninety-one".