11579978 has 8 divisors (see below), whose sum is σ = 17590080. Its totient is φ = 5716620.

The previous prime is 11579977. The next prime is 11579983. The reversal of 11579978 is 87997511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11579977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36488 + ... + 36803.

It is an arithmetic number, because the mean of its divisors is an integer number (2198760).

Almost surely, 2^11579978 is an apocalyptic number.

11579978 is a deficient number, since it is larger than the sum of its proper divisors (6010102).

11579978 is an equidigital number, since it uses as much as digits as its factorization.

11579978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73372.

The product of its digits is 158760, while the sum is 47.

The square root of 11579978 is about 3402.9366729341. The cubic root of 11579978 is about 226.2399232410.

The spelling of 11579978 in words is "eleven million, five hundred seventy-nine thousand, nine hundred seventy-eight".