91427581096705 has 8 divisors (see below), whose sum is σ = 125386396932672. Its totient is φ = 62693198466288.

The previous prime is 91427581096673. The next prime is 91427581096727. The reversal of 91427581096705 is 50769018572419.

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 91427581096705 - 2⁵ = 91427581096673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306108301347 + ... + 1306108301416.

It is an arithmetic number, because the mean of its divisors is an integer number (15673299616584).

Almost surely, 2^{91427581096705} is an apocalyptic number.

It is an amenable number.

91427581096705 is a deficient number, since it is larger than the sum of its proper divisors (33958815835967).

91427581096705 is a wasteful number, since it uses less digits than its factorization.

91427581096705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612216602775.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 91427581096705 in words is "ninety-one trillion, four hundred twenty-seven billion, five hundred eighty-one million, ninety-six thousand, seven hundred five".