406774337377 has 4 divisors (see below), whose sum is σ = 406956178836. Its totient is φ = 406592495920.

The previous prime is 406774337371. The next prime is 406774337449. The reversal of 406774337377 is 773733477604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 320934713121 + 85839624256 = 566511^2 + 292984^2 .

It is a cyclic number.

It is not a de Polignac number, because 406774337377 - 2¹¹ = 406774335329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406774337371) 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, 90917374 + ... + 90921847.

It is an arithmetic number, because the mean of its divisors is an integer number (101739044709).

Almost surely, 2^406774337377 is an apocalyptic number.

It is an amenable number.

406774337377 is a deficient number, since it is larger than the sum of its proper divisors (181841459).

406774337377 is a wasteful number, since it uses less digits than its factorization.

406774337377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181841458.

The product of its (nonzero) digits is 43563744, while the sum is 58.

The spelling of 406774337377 in words is "four hundred six billion, seven hundred seventy-four million, three hundred thirty-seven thousand, three hundred seventy-seven".