91479628801 has 8 divisors (see below), whose sum is σ = 99798922944. Its totient is φ = 83160828720.

The previous prime is 91479628789. The next prime is 91479628817. The reversal of 91479628801 is 10882697419.

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 91479628801 - 2⁵ = 91479628769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91479628861) 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, 338940 + ... + 545746.

It is an arithmetic number, because the mean of its divisors is an integer number (12474865368).

Almost surely, 2^91479628801 is an apocalyptic number.

It is an amenable number.

91479628801 is a deficient number, since it is larger than the sum of its proper divisors (8319294143).

91479628801 is a wasteful number, since it uses less digits than its factorization.

91479628801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247031.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 91479628801 in words is "ninety-one billion, four hundred seventy-nine million, six hundred twenty-eight thousand, eight hundred one".