27970476103081 has 4 divisors (see below), whose sum is σ = 27971541224964. Its totient is φ = 27969410981200.

The previous prime is 27970476103021. The next prime is 27970476103091. The reversal of 27970476103081 is 18030167407972.

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 81462293056 + 27889013810025 = 285416^2 + 5281005^2 .

It is a cyclic number.

It is not a de Polignac number, because 27970476103081 - 2⁷ = 27970476102953 is a prime.

It is a super-2 number, since 2×27970476103081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27970476103021) 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, 532521550 + ... + 532574071.

It is an arithmetic number, because the mean of its divisors is an integer number (6992885306241).

Almost surely, 2^{27970476103081} is an apocalyptic number.

It is an amenable number.

27970476103081 is a deficient number, since it is larger than the sum of its proper divisors (1065121883).

27970476103081 is a wasteful number, since it uses less digits than its factorization.

27970476103081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065121882.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 27970476103081 in words is "twenty-seven trillion, nine hundred seventy billion, four hundred seventy-six million, one hundred three thousand, eighty-one".