91676851 has 8 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 77845128.

The previous prime is 91676807. The next prime is 91676857. The reversal of 91676851 is 15867619.

It is a happy number.

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 91676851 - 2¹⁹ = 91152563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91676798 and 91676807.

It is not an unprimeable number, because it can be changed into a prime (91676857) 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, 60451 + ... + 61948.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^91676851 is an apocalyptic number.

91676851 is a deficient number, since it is larger than the sum of its proper divisors (14076749).

91676851 is a wasteful number, since it uses less digits than its factorization.

91676851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122513.

The product of its digits is 90720, while the sum is 43.

The square root of 91676851 is about 9574.8029222538. The cubic root of 91676851 is about 450.9065691090.

The spelling of 91676851 in words is "ninety-one million, six hundred seventy-six thousand, eight hundred fifty-one".