91828651 has 2 divisors, whose sum is σ = 91828652. Its totient is φ = 91828650.

The previous prime is 91828619. The next prime is 91828657. The reversal of 91828651 is 15682819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91828651 - 2⁵ = 91828619 is a prime.

It is a super-2 number, since 2×91828651² = 16865002288959602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (91828657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45914325 + 45914326.

It is an arithmetic number, because the mean of its divisors is an integer number (45914326).

Almost surely, 2^91828651 is an apocalyptic number.

91828651 is a deficient number, since it is larger than the sum of its proper divisors (1).

91828651 is an equidigital number, since it uses as much as digits as its factorization.

91828651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 40.

The square root of 91828651 is about 9582.7266996403. The cubic root of 91828651 is about 451.1553046487.

The spelling of 91828651 in words is "ninety-one million, eight hundred twenty-eight thousand, six hundred fifty-one".