999515068 has 12 divisors (see below), whose sum is σ = 1852042752. Its totient is φ = 470360000.

The previous prime is 999515053. The next prime is 999515081. The reversal of 999515068 is 860515999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7349308 + ... + 7349443.

It is an arithmetic number, because the mean of its divisors is an integer number (154336896).

Almost surely, 2^999515068 is an apocalyptic number.

It is an amenable number.

999515068 is a deficient number, since it is larger than the sum of its proper divisors (852527684).

999515068 is a wasteful number, since it uses less digits than its factorization.

999515068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698772 (or 14698770 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 999515068 is about 31615.1082237591. The cubic root of 999515068 is about 999.8383298642.

The spelling of 999515068 in words is "nine hundred ninety-nine million, five hundred fifteen thousand, sixty-eight".