617798093 has 4 divisors (see below), whose sum is σ = 673961568. Its totient is φ = 561634620.

The previous prime is 617798059. The next prime is 617798117. The reversal of 617798093 is 390897716.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 617798093 - 2⁸ = 617797837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617798023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28081721 + ... + 28081742.

It is an arithmetic number, because the mean of its divisors is an integer number (168490392).

Almost surely, 2^617798093 is an apocalyptic number.

It is an amenable number.

617798093 is a deficient number, since it is larger than the sum of its proper divisors (56163475).

617798093 is a wasteful number, since it uses less digits than its factorization.

617798093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56163474.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 617798093 is about 24855.5445122411. The cubic root of 617798093 is about 851.6912545745.

The spelling of 617798093 in words is "six hundred seventeen million, seven hundred ninety-eight thousand, ninety-three".