91329005767 has 2 divisors, whose sum is σ = 91329005768. Its totient is φ = 91329005766.

The previous prime is 91329005749. The next prime is 91329005821. The reversal of 91329005767 is 76750092319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91329005767 - 2²³ = 91320617159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91329005767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91329005737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45664502883 + 45664502884.

It is an arithmetic number, because the mean of its divisors is an integer number (45664502884).

Almost surely, 2^91329005767 is an apocalyptic number.

91329005767 is a deficient number, since it is larger than the sum of its proper divisors (1).

91329005767 is an equidigital number, since it uses as much as digits as its factorization.

91329005767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 91329005767 in words is "ninety-one billion, three hundred twenty-nine million, five thousand, seven hundred sixty-seven".