406047362879 has 4 divisors (see below), whose sum is σ = 406113792576. Its totient is φ = 405980933184.

The previous prime is 406047362857. The next prime is 406047362909. The reversal of 406047362879 is 978263740604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406047362879 is a prime.

It is a super-4 number, since 4×406047362879⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406047302879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33205679 + ... + 33217904.

It is an arithmetic number, because the mean of its divisors is an integer number (101528448144).

Almost surely, 2^406047362879 is an apocalyptic number.

406047362879 is a deficient number, since it is larger than the sum of its proper divisors (66429697).

406047362879 is an equidigital number, since it uses as much as digits as its factorization.

406047362879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66429696.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 406047362879 in words is "four hundred six billion, forty-seven million, three hundred sixty-two thousand, eight hundred seventy-nine".