7827605055005 has 4 divisors (see below), whose sum is σ = 9393126066012. Its totient is φ = 6262084044000.

The previous prime is 7827605054993. The next prime is 7827605055047. The reversal of 7827605055005 is 5005505067287.

It is a happy number.

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 3844399389796 + 3983205665209 = 1960714^2 + 1995797^2 .

It is not a de Polignac number, because 7827605055005 - 2²⁰ = 7827604006429 is a prime.

It is a super-2 number, since 2×7827605055005² (a number of 27 digits) contains 22 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, 782760505496 + ... + 782760505505.

It is an arithmetic number, because the mean of its divisors is an integer number (2348281516503).

Almost surely, 2^{7827605055005} is an apocalyptic number.

It is an amenable number.

7827605055005 is a deficient number, since it is larger than the sum of its proper divisors (1565521011007).

7827605055005 is a wasteful number, since it uses less digits than its factorization.

7827605055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565521011006.

The product of its (nonzero) digits is 2940000, while the sum is 50.

The spelling of 7827605055005 in words is "seven trillion, eight hundred twenty-seven billion, six hundred five million, fifty-five thousand, five".