91004788883 has 2 divisors, whose sum is σ = 91004788884. Its totient is φ = 91004788882.

The previous prime is 91004788801. The next prime is 91004788949. The reversal of 91004788883 is 38888740019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91004788883 - 2⁸ = 91004788627 is a prime.

It is not a weakly prime, because it can be changed into another prime (91004784883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45502394441 + 45502394442.

It is an arithmetic number, because the mean of its divisors is an integer number (45502394442).

Almost surely, 2^91004788883 is an apocalyptic number.

91004788883 is a deficient number, since it is larger than the sum of its proper divisors (1).

91004788883 is an equidigital number, since it uses as much as digits as its factorization.

91004788883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 91004788883 in words is "ninety-one billion, four million, seven hundred eighty-eight thousand, eight hundred eighty-three".