212796979 has 4 divisors (see below), whose sum is σ = 223996840. Its totient is φ = 201597120.

The previous prime is 212796959. The next prime is 212797003. The reversal of 212796979 is 979697212.

It is a happy number.

212796979 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 is a cyclic number.

It is not a de Polignac number, because 212796979 - 2¹¹ = 212794931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212796919) 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, 5599902 + ... + 5599939.

It is an arithmetic number, because the mean of its divisors is an integer number (55999210).

Almost surely, 2^212796979 is an apocalyptic number.

212796979 is a deficient number, since it is larger than the sum of its proper divisors (11199861).

212796979 is a wasteful number, since it uses less digits than its factorization.

212796979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199860.

The product of its digits is 857304, while the sum is 52.

The square root of 212796979 is about 14587.5624763015. The cubic root of 212796979 is about 597.0194582833.

The spelling of 212796979 in words is "two hundred twelve million, seven hundred ninety-six thousand, nine hundred seventy-nine".