91488107 has 2 divisors, whose sum is σ = 91488108. Its totient is φ = 91488106.

The previous prime is 91488091. The next prime is 91488119. The reversal of 91488107 is 70188419.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91488107 - 2⁴ = 91488091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91488167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45744053 + 45744054.

It is an arithmetic number, because the mean of its divisors is an integer number (45744054).

Almost surely, 2^91488107 is an apocalyptic number.

91488107 is a deficient number, since it is larger than the sum of its proper divisors (1).

91488107 is an equidigital number, since it uses as much as digits as its factorization.

91488107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 91488107 is about 9564.9415575841. The cubic root of 91488107 is about 450.5969148517.

The spelling of 91488107 in words is "ninety-one million, four hundred eighty-eight thousand, one hundred seven".