11799778 has 16 divisors (see below), whose sum is σ = 18498816. Its totient is φ = 5638320.

The previous prime is 11799769. The next prime is 11799791. The reversal of 11799778 is 87799711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (1156176).

Almost surely, 2^11799778 is an apocalyptic number.

11799778 is a deficient number, since it is larger than the sum of its proper divisors (6699038).

11799778 is a wasteful number, since it uses less digits than its factorization.

11799778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its digits is 222264, while the sum is 49.

The square root of 11799778 is about 3435.0804939623. The cubic root of 11799778 is about 227.6623837651.

The spelling of 11799778 in words is "eleven million, seven hundred ninety-nine thousand, seven hundred seventy-eight".