91498079 has 2 divisors, whose sum is σ = 91498080. Its totient is φ = 91498078.

The previous prime is 91498073. The next prime is 91498111. The reversal of 91498079 is 97089419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91498079 - 2⁸ = 91497823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91498073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45749039 + 45749040.

It is an arithmetic number, because the mean of its divisors is an integer number (45749040).

Almost surely, 2^91498079 is an apocalyptic number.

91498079 is a deficient number, since it is larger than the sum of its proper divisors (1).

91498079 is an equidigital number, since it uses as much as digits as its factorization.

91498079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 91498079 is about 9565.4628220489. The cubic root of 91498079 is about 450.6132856105.

The spelling of 91498079 in words is "ninety-one million, four hundred ninety-eight thousand, seventy-nine".