999672026896 has 45 divisors (see below), whose sum is σ = 1983296616789. Its totient is φ = 488127933888.

The previous prime is 999672026833. The next prime is 999672026897. The reversal of 999672026896 is 698620276999.

The square root of 999672026896 is 999836.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 694455555600 + 305216471296 = 833340^2 + 552464^2 .

It is a super-2 number, since 2×999672026896² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999672026897) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 171968886 + ... + 171974698.

Almost surely, 2^999672026896 is an apocalyptic number.

999672026896 is the 999836-th square number.

It is an amenable number.

999672026896 is a deficient number, since it is larger than the sum of its proper divisors (983624589893).

999672026896 is an frugal number, since it uses more digits than its factorization.

999672026896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720 (or 5858 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 999672026896 in words is "nine hundred ninety-nine billion, six hundred seventy-two million, twenty-six thousand, eight hundred ninety-six".