406868077 has 8 divisors (see below), whose sum is σ = 507264192. Its totient is φ = 317040000.

The previous prime is 406868069. The next prime is 406868093. The reversal of 406868077 is 770868604.

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

It is a cyclic number.

It is not a de Polignac number, because 406868077 - 2³ = 406868069 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 (406868047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641924 + ... + 2642077.

It is an arithmetic number, because the mean of its divisors is an integer number (63408024).

Almost surely, 2^406868077 is an apocalyptic number.

It is an amenable number.

406868077 is a deficient number, since it is larger than the sum of its proper divisors (100396115).

406868077 is a wasteful number, since it uses less digits than its factorization.

406868077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284019.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 406868077 is about 20170.9711466751. The cubic root of 406868077 is about 740.9994269208. Note that the first 3 decimals are identical.

The spelling of 406868077 in words is "four hundred six million, eight hundred sixty-eight thousand, seventy-seven".