7881422782101 has 16 divisors (see below), whose sum is σ = 11465146643520. Its totient is φ = 4776095301120.

The previous prime is 7881422782099. The next prime is 7881422782153. The reversal of 7881422782101 is 1012872241887.

It is not a de Polignac number, because 7881422782101 - 2¹ = 7881422782099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7881422782601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12809020 + ... + 13410213.

It is an arithmetic number, because the mean of its divisors is an integer number (716571665220).

Almost surely, 2^{7881422782101} is an apocalyptic number.

It is an amenable number.

7881422782101 is a deficient number, since it is larger than the sum of its proper divisors (3583723861419).

7881422782101 is a wasteful number, since it uses less digits than its factorization.

7881422782101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26228356.

The product of its (nonzero) digits is 802816, while the sum is 51.

The spelling of 7881422782101 in words is "seven trillion, eight hundred eighty-one billion, four hundred twenty-two million, seven hundred eighty-two thousand, one hundred one".