91486655 has 8 divisors (see below), whose sum is σ = 118228992. Its totient is φ = 67559328.

The previous prime is 91486651. The next prime is 91486679. The reversal of 91486655 is 55668419.

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

It is a cyclic number.

It is not a de Polignac number, because 91486655 - 2² = 91486651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91486651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703679 + ... + 703808.

It is an arithmetic number, because the mean of its divisors is an integer number (14778624).

Almost surely, 2^91486655 is an apocalyptic number.

91486655 is a deficient number, since it is larger than the sum of its proper divisors (26742337).

91486655 is a wasteful number, since it uses less digits than its factorization.

91486655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407505.

The product of its digits is 259200, while the sum is 44.

The square root of 91486655 is about 9564.8656550942. The cubic root of 91486655 is about 450.5945310439.

The spelling of 91486655 in words is "ninety-one million, four hundred eighty-six thousand, six hundred fifty-five".