10781879 has 4 divisors (see below), whose sum is σ = 10844376. Its totient is φ = 10719384.

The previous prime is 10781867. The next prime is 10781887. The reversal of 10781879 is 97818701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97818701 = 23 ⋅4252987.

It is a cyclic number.

It is not a de Polignac number, because 10781879 - 2⁸ = 10781623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30989 + ... + 31334.

It is an arithmetic number, because the mean of its divisors is an integer number (2711094).

Almost surely, 2^10781879 is an apocalyptic number.

10781879 is a deficient number, since it is larger than the sum of its proper divisors (62497).

10781879 is an equidigital number, since it uses as much as digits as its factorization.

10781879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62496.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 10781879 is about 3283.5771652270. The cubic root of 10781879 is about 220.9181941649.

The spelling of 10781879 in words is "ten million, seven hundred eighty-one thousand, eight hundred seventy-nine".