10780899 has 4 divisors (see below), whose sum is σ = 14374536. Its totient is φ = 7187264.

The previous prime is 10780897. The next prime is 10780933. The reversal of 10780899 is 99808701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99808701 = 3 ⋅33269567.

It is a cyclic number.

It is not a de Polignac number, because 10780899 - 2¹ = 10780897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10780899.

It is not an unprimeable number, because it can be changed into a prime (10780897) 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, 1796814 + ... + 1796819.

It is an arithmetic number, because the mean of its divisors is an integer number (3593634).

Almost surely, 2^10780899 is an apocalyptic number.

10780899 is a deficient number, since it is larger than the sum of its proper divisors (3593637).

10780899 is an equidigital number, since it uses as much as digits as its factorization.

10780899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593636.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 10780899 is about 3283.4279343394. The cubic root of 10780899 is about 220.9115006380.

The spelling of 10780899 in words is "ten million, seven hundred eighty thousand, eight hundred ninety-nine".