299787998085 has 12 divisors (see below), whose sum is σ = 519632530092. Its totient is φ = 159886932288.

The previous prime is 299787997991. The next prime is 299787998089. The reversal of 299787998085 is 580899787992.

It can be written as a sum of positive squares in 2 ways, for example, as 226988403489 + 72799594596 = 476433^2 + 269814^2 .

It is not a de Polignac number, because 299787998085 - 2¹⁷ = 299787867013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299787997995 and 299787998013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299787998089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3330977712 + ... + 3330977801.

It is an arithmetic number, because the mean of its divisors is an integer number (43302710841).

Almost surely, 2^299787998085 is an apocalyptic number.

It is an amenable number.

299787998085 is a deficient number, since it is larger than the sum of its proper divisors (219844532007).

299787998085 is a wasteful number, since it uses less digits than its factorization.

299787998085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661955524 (or 6661955521 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 81.

The spelling of 299787998085 in words is "two hundred ninety-nine billion, seven hundred eighty-seven million, nine hundred ninety-eight thousand, eighty-five".