91678795 has 16 divisors (see below), whose sum is σ = 121236192. Its totient is φ = 66124800.

The previous prime is 91678793. The next prime is 91678799. The reversal of 91678795 is 59787619.

It is a happy number.

It is not a de Polignac number, because 91678795 - 2¹ = 91678793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91678793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13606 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (7577262).

Almost surely, 2^91678795 is an apocalyptic number.

91678795 is a deficient number, since it is larger than the sum of its proper divisors (29557397).

91678795 is a wasteful number, since it uses less digits than its factorization.

91678795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32862.

The product of its digits is 952560, while the sum is 52.

The square root of 91678795 is about 9574.9044381654. The cubic root of 91678795 is about 450.9097562319.

The spelling of 91678795 in words is "ninety-one million, six hundred seventy-eight thousand, seven hundred ninety-five".