91822790755 has 8 divisors (see below), whose sum is σ = 110188980000. Its totient is φ = 73457145216.

The previous prime is 91822790743. The next prime is 91822790869. The reversal of 91822790755 is 55709722819.

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 91822790755 - 2⁵ = 91822790723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91822790696 and 91822790705.

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, 553771 + ... + 700219.

It is an arithmetic number, because the mean of its divisors is an integer number (13773622500).

Almost surely, 2^91822790755 is an apocalyptic number.

91822790755 is a deficient number, since it is larger than the sum of its proper divisors (18366189245).

91822790755 is a wasteful number, since it uses less digits than its factorization.

91822790755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271853.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 91822790755 in words is "ninety-one billion, eight hundred twenty-two million, seven hundred ninety thousand, seven hundred fifty-five".