91076487 has 8 divisors (see below), whose sum is σ = 121485936. Its totient is φ = 60692352.

The previous prime is 91076483. The next prime is 91076533. The reversal of 91076487 is 78467019.

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

It is not a de Polignac number, because 91076487 - 2² = 91076483 is a prime.

It is a super-2 number, since 2×91076487² = 16589852968522338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91076483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (15185742).

Almost surely, 2^91076487 is an apocalyptic number.

91076487 is a deficient number, since it is larger than the sum of its proper divisors (30409449).

91076487 is a wasteful number, since it uses less digits than its factorization.

91076487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 91076487 is about 9543.4001802293. The cubic root of 91076487 is about 449.9201290343.

The spelling of 91076487 in words is "ninety-one million, seventy-six thousand, four hundred eighty-seven".