9775001613 has 8 divisors (see below), whose sum is σ = 14035899808. Its totient is φ = 6015385584.

The previous prime is 9775001603. The next prime is 9775001657. The reversal of 9775001613 is 3161005779.

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

It is not a de Polignac number, because 9775001613 - 2¹⁰ = 9775000589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 250641067 = 9775001613 / (9 + 7 + 7 + 5 + 0 + 0 + 1 + 6 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9775001603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125320495 + ... + 125320572.

It is an arithmetic number, because the mean of its divisors is an integer number (1754487476).

Almost surely, 2^9775001613 is an apocalyptic number.

It is an amenable number.

9775001613 is a deficient number, since it is larger than the sum of its proper divisors (4260898195).

9775001613 is a wasteful number, since it uses less digits than its factorization.

9775001613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250641083.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 9775001613 is about 98868.6078237172. The cubic root of 9775001613 is about 2138.1538225718.

The spelling of 9775001613 in words is "nine billion, seven hundred seventy-five million, one thousand, six hundred thirteen".