2162772983687 has 2 divisors, whose sum is σ = 2162772983688. Its totient is φ = 2162772983686.

The previous prime is 2162772983659. The next prime is 2162772983759. The reversal of 2162772983687 is 7863892772612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162772983687 - 2¹⁰ = 2162772982663 is a prime.

It is a super-2 number, since 2×2162772983687² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162772983647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081386491843 + 1081386491844.

It is an arithmetic number, because the mean of its divisors is an integer number (1081386491844).

Almost surely, 2^{2162772983687} is an apocalyptic number.

2162772983687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162772983687 is an equidigital number, since it uses as much as digits as its factorization.

2162772983687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170698752, while the sum is 68.

The spelling of 2162772983687 in words is "two trillion, one hundred sixty-two billion, seven hundred seventy-two million, nine hundred eighty-three thousand, six hundred eighty-seven".