617796091 has 8 divisors (see below), whose sum is σ = 674150400. Its totient is φ = 561473640.

The previous prime is 617796083. The next prime is 617796103. The reversal of 617796091 is 190697716.

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 617796091 - 2³ = 617796083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617796041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52750 + ... + 63388.

It is an arithmetic number, because the mean of its divisors is an integer number (84268800).

Almost surely, 2^617796091 is an apocalyptic number.

617796091 is a deficient number, since it is larger than the sum of its proper divisors (56354309).

617796091 is a wasteful number, since it uses less digits than its factorization.

617796091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 617796091 is about 24855.5042395040. The cubic root of 617796091 is about 851.6903345934.

The spelling of 617796091 in words is "six hundred seventeen million, seven hundred ninety-six thousand, ninety-one".