10780091 has 16 divisors (see below), whose sum is σ = 13150656. Its totient is φ = 8626176.

The previous prime is 10780069. The next prime is 10780093. The reversal of 10780091 is 19008701.

It is a cyclic number.

It is not a de Polignac number, because 10780091 - 2⁶ = 10780027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10780091.

It is not an unprimeable number, because it can be changed into a prime (10780093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18395 + ... + 18971.

It is an arithmetic number, because the mean of its divisors is an integer number (821916).

Almost surely, 2^10780091 is an apocalyptic number.

10780091 is a deficient number, since it is larger than the sum of its proper divisors (2370565).

10780091 is a wasteful number, since it uses less digits than its factorization.

10780091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 10780091 is about 3283.3048898937. The cubic root of 10780091 is about 220.9059815883.

Adding to 10780091 its reverse (19008701), we get a palindrome (29788792).

The spelling of 10780091 in words is "ten million, seven hundred eighty thousand, ninety-one".