1000007999986 has 4 divisors (see below), whose sum is σ = 1500011999982. Its totient is φ = 500003999992.

The previous prime is 1000007999933. The next prime is 1000007999987. The reversal of 1000007999986 is 6899997000001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 934711908025 + 65296091961 = 966805^2 + 255531^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000007999986.

It is not an unprimeable number, because it can be changed into a prime (1000007999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250001999995 + ... + 250001999998.

Almost surely, 2^{1000007999986} is an apocalyptic number.

1000007999986 is a deficient number, since it is larger than the sum of its proper divisors (500003999996).

1000007999986 is an equidigital number, since it uses as much as digits as its factorization.

1000007999986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500003999995.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The spelling of 1000007999986 in words is "one trillion, seven million, nine hundred ninety-nine thousand, nine hundred eighty-six".