9775819007 has 8 divisors (see below), whose sum is σ = 10315473120. Its totient is φ = 9245716480.

The previous prime is 9775818979. The next prime is 9775819013. The reversal of 9775819007 is 7009185779.

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 9775819007 - 2¹² = 9775814911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9775819007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9775819607) 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, 2385794 + ... + 2389887.

It is an arithmetic number, because the mean of its divisors is an integer number (1289434140).

Almost surely, 2^9775819007 is an apocalyptic number.

9775819007 is a deficient number, since it is larger than the sum of its proper divisors (539654113).

9775819007 is a wasteful number, since it uses less digits than its factorization.

9775819007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775793.

The product of its (nonzero) digits is 1111320, while the sum is 53.

The square root of 9775819007 is about 98872.7414761015. The cubic root of 9775819007 is about 2138.2134189948.

The spelling of 9775819007 in words is "nine billion, seven hundred seventy-five million, eight hundred nineteen thousand, seven".