9775628027 has 4 divisors (see below), whose sum is σ = 10664321496. Its totient is φ = 8886934560.

The previous prime is 9775628021. The next prime is 9775628053. The reversal of 9775628027 is 7208265779.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9775628027 - 2¹² = 9775623931 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 9775628027.

It is not an unprimeable number, because it can be changed into a prime (9775628021) 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, 444346718 + ... + 444346739.

It is an arithmetic number, because the mean of its divisors is an integer number (2666080374).

Almost surely, 2^9775628027 is an apocalyptic number.

9775628027 is a deficient number, since it is larger than the sum of its proper divisors (888693469).

9775628027 is a wasteful number, since it uses less digits than its factorization.

9775628027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888693468.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The square root of 9775628027 is about 98871.7756844692. The cubic root of 9775628027 is about 2138.1994948876.

It can be divided in two parts, 977562 and 8027, that added together give a palindrome (985589).

The spelling of 9775628027 in words is "nine billion, seven hundred seventy-five million, six hundred twenty-eight thousand, twenty-seven".