10878005 has 4 divisors (see below), whose sum is σ = 13053612. Its totient is φ = 8702400.

The previous prime is 10877989. The next prime is 10878019. The reversal of 10878005 is 50087801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50087801 = 6521 ⋅7681.

It can be written as a sum of positive squares in 2 ways, for example, as 5958481 + 4919524 = 2441^2 + 2218^2 .

It is not a de Polignac number, because 10878005 - 2⁴ = 10877989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087796 + ... + 1087805.

It is an arithmetic number, because the mean of its divisors is an integer number (3263403).

Almost surely, 2^10878005 is an apocalyptic number.

It is an amenable number.

10878005 is a deficient number, since it is larger than the sum of its proper divisors (2175607).

10878005 is an equidigital number, since it uses as much as digits as its factorization.

10878005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175606.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 10878005 is about 3298.1820750225. The cubic root of 10878005 is about 221.5727857925.

The spelling of 10878005 in words is "ten million, eight hundred seventy-eight thousand, five".