2987661223 has 2 divisors, whose sum is σ = 2987661224. Its totient is φ = 2987661222.

The previous prime is 2987661211. The next prime is 2987661241. The reversal of 2987661223 is 3221667892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2987661223 is a prime.

It is a super-2 number, since 2×2987661223² = 17852239166835711458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2987665223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493830611 + 1493830612.

It is an arithmetic number, because the mean of its divisors is an integer number (1493830612).

Almost surely, 2^2987661223 is an apocalyptic number.

2987661223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2987661223 is an equidigital number, since it uses as much as digits as its factorization.

2987661223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 2987661223 is about 54659.5025864671. The cubic root of 2987661223 is about 1440.2695648577.

The spelling of 2987661223 in words is "two billion, nine hundred eighty-seven million, six hundred sixty-one thousand, two hundred twenty-three".