91479108 has 144 divisors (see below), whose sum is σ = 273006720. Its totient is φ = 23245824.

The previous prime is 91479107. The next prime is 91479121. The reversal of 91479108 is 80197419.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (91479107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1946341 + ... + 1946387.

It is an arithmetic number, because the mean of its divisors is an integer number (1895880).

Almost surely, 2^91479108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91479108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136503360).

91479108 is an abundant number, since it is smaller than the sum of its proper divisors (181527612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91479108 is a wasteful number, since it uses less digits than its factorization.

91479108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 91479108 is about 9564.4711301776. The cubic root of 91479108 is about 450.5821404192.

The spelling of 91479108 in words is "ninety-one million, four hundred seventy-nine thousand, one hundred eight".