91542086 has 8 divisors (see below), whose sum is σ = 137359344. Its totient is φ = 45755640.

The previous prime is 91542083. The next prime is 91542097. The reversal of 91542086 is 68024519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91542083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351 + ... + 13733.

It is an arithmetic number, because the mean of its divisors is an integer number (17169918).

Almost surely, 2^91542086 is an apocalyptic number.

91542086 is a deficient number, since it is larger than the sum of its proper divisors (45817258).

91542086 is a wasteful number, since it uses less digits than its factorization.

91542086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15406.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 91542086 is about 9567.7628524123. The cubic root of 91542086 is about 450.6855164913.

The spelling of 91542086 in words is "ninety-one million, five hundred forty-two thousand, eighty-six".