10778089 has 15 divisors (see below), whose sum is σ = 12764157. Its totient is φ = 9100476.

The previous prime is 10778083. The next prime is 10778093. The reversal of 10778089 is 98087701.

The square root of 10778089 is 3283.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10778089 - 2³ = 10778081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10778081) 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 14 ways as a sum of consecutive naturals, for example, 160834 + ... + 160900.

Almost surely, 2^10778089 is an apocalyptic number.

10778089 is the 3283-rd square number.

10778089 is the 1642-nd centered octagonal number.

It is an amenable number.

10778089 is a deficient number, since it is larger than the sum of its proper divisors (1986068).

10778089 is an frugal number, since it uses more digits than its factorization.

10778089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 40.

The cubic root of 10778089 is about 220.8923057250.

Multiplying 10778089 by its product of nonzero digits (28224), we get a square (304200783936 = 551544²).

The spelling of 10778089 in words is "ten million, seven hundred seventy-eight thousand, eighty-nine".