11878898 has 4 divisors (see below), whose sum is σ = 17818350. Its totient is φ = 5939448.

The previous prime is 11878891. The next prime is 11878927. The reversal of 11878898 is 89887811.

11878898 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.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 24649 = 3443^2 + 157^2 .

It is a super-2 number, since 2×11878898² = 282216435388808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11878891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2969723 + ... + 2969726.

Almost surely, 2^11878898 is an apocalyptic number.

11878898 is a deficient number, since it is larger than the sum of its proper divisors (5939452).

11878898 is an equidigital number, since it uses as much as digits as its factorization.

11878898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939451.

The product of its digits is 258048, while the sum is 50.

The square root of 11878898 is about 3446.5777229014. The cubic root of 11878898 is about 228.1700921184.

The spelling of 11878898 in words is "eleven million, eight hundred seventy-eight thousand, eight hundred ninety-eight".