244055999987 has 2 divisors, whose sum is σ = 244055999988. Its totient is φ = 244055999986.

The previous prime is 244055999963. The next prime is 244056000029. The reversal of 244055999987 is 789999550442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244055999987 - 2³⁰ = 242982258163 is a prime.

It is a super-2 number, since 2×244055999987² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244055999987.

It is not a weakly prime, because it can be changed into another prime (244055999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122027999993 + 122027999994.

It is an arithmetic number, because the mean of its divisors is an integer number (122027999994).

Almost surely, 2^244055999987 is an apocalyptic number.

244055999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

244055999987 is an equidigital number, since it uses as much as digits as its factorization.

244055999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 71.

The spelling of 244055999987 in words is "two hundred forty-four billion, fifty-five million, nine hundred ninety-nine thousand, nine hundred eighty-seven".