8006281277405 has 4 divisors (see below), whose sum is σ = 9607537532892. Its totient is φ = 6405025021920.

The previous prime is 8006281277359. The next prime is 8006281277437. The reversal of 8006281277405 is 5047721826008.

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 4397417388004 + 3608863889401 = 2097002^2 + 1899701^2 .

It is not a de Polignac number, because 8006281277405 - 2²⁸ = 8006012841949 is a prime.

It is a super-3 number, since 3×8006281277405³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800628127736 + ... + 800628127745.

It is an arithmetic number, because the mean of its divisors is an integer number (2401884383223).

Almost surely, 2^{8006281277405} is an apocalyptic number.

It is an amenable number.

8006281277405 is a deficient number, since it is larger than the sum of its proper divisors (1601256255487).

8006281277405 is a wasteful number, since it uses less digits than its factorization.

8006281277405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601256255486.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 8006281277405 in words is "eight trillion, six billion, two hundred eighty-one million, two hundred seventy-seven thousand, four hundred five".