406764955879 has 4 divisors (see below), whose sum is σ = 406786800184. Its totient is φ = 406743111576.

The previous prime is 406764955873. The next prime is 406764955931. The reversal of 406764955879 is 978559467604.

It is a happy number.

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 406764955879 - 2²⁹ = 406228084967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406764955873) 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, 10894197 + ... + 10931470.

It is an arithmetic number, because the mean of its divisors is an integer number (101696700046).

Almost surely, 2^406764955879 is an apocalyptic number.

406764955879 is a deficient number, since it is larger than the sum of its proper divisors (21844305).

406764955879 is a wasteful number, since it uses less digits than its factorization.

406764955879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844304.

The product of its (nonzero) digits is 457228800, while the sum is 70.

The spelling of 406764955879 in words is "four hundred six billion, seven hundred sixty-four million, nine hundred fifty-five thousand, eight hundred seventy-nine".