10978258 has 4 divisors (see below), whose sum is σ = 16467390. Its totient is φ = 5489128.

The previous prime is 10978237. The next prime is 10978267. The reversal of 10978258 is 85287901.

10978258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85287901 = 2663 ⋅32027.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 173889 = 3287^2 + 417^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 10978258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744563 + ... + 2744566.

Almost surely, 2^10978258 is an apocalyptic number.

10978258 is a deficient number, since it is larger than the sum of its proper divisors (5489132).

10978258 is an equidigital number, since it uses as much as digits as its factorization.

10978258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489131.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 10978258 is about 3313.3454392804. The cubic root of 10978258 is about 222.2513858207.

It can be divided in two parts, 10978 and 258, that added together give a square (11236 = 106²).

The spelling of 10978258 in words is "ten million, nine hundred seventy-eight thousand, two hundred fifty-eight".