10978855 has 16 divisors (see below), whose sum is σ = 14035680. Its totient is φ = 8215552.

The previous prime is 10978823. The next prime is 10978859. The reversal of 10978855 is 55887901.

10978855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10978855 - 2⁵ = 10978823 is a prime.

It is a super-2 number, since 2×10978855² = 241070514222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10978859) 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, 19011 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (877230).

Almost surely, 2^10978855 is an apocalyptic number.

10978855 is a deficient number, since it is larger than the sum of its proper divisors (3056825).

10978855 is a wasteful number, since it uses less digits than its factorization.

10978855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 10978855 is about 3313.4355282697. The cubic root of 10978855 is about 222.2554144401.

The spelling of 10978855 in words is "ten million, nine hundred seventy-eight thousand, eight hundred fifty-five".