917961008797 has 8 divisors (see below), whose sum is σ = 1049270581952. Its totient is φ = 786694507200.

The previous prime is 917961008717. The next prime is 917961008831. The reversal of 917961008797 is 797800169719.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-917961008797 is a prime.

It is a super-2 number, since 2×917961008797² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (917961008707) 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, 10722204 + ... + 10807477.

It is an arithmetic number, because the mean of its divisors is an integer number (131158822744).

Almost surely, 2^917961008797 is an apocalyptic number.

It is an amenable number.

917961008797 is a deficient number, since it is larger than the sum of its proper divisors (131309573155).

917961008797 is a wasteful number, since it uses less digits than its factorization.

917961008797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21535779.

The product of its (nonzero) digits is 12002256, while the sum is 64.

The spelling of 917961008797 in words is "nine hundred seventeen billion, nine hundred sixty-one million, eight thousand, seven hundred ninety-seven".