9972316858 has 64 divisors (see below), whose sum is σ = 19193967360. Its totient is φ = 3782688768.

The previous prime is 9972316831. The next prime is 9972316867. The reversal of 9972316858 is 8586132799.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611466 + ... + 627562.

It is an arithmetic number, because the mean of its divisors is an integer number (299905740).

Almost surely, 2^9972316858 is an apocalyptic number.

9972316858 is a deficient number, since it is larger than the sum of its proper divisors (9221650502).

9972316858 is a wasteful number, since it uses less digits than its factorization.

9972316858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279.

The product of its digits is 6531840, while the sum is 58.

The square root of 9972316858 is about 99861.4883626316. The cubic root of 9972316858 is about 2152.4448019738. Note that the first 3 decimals are identical.

The spelling of 9972316858 in words is "nine billion, nine hundred seventy-two million, three hundred sixteen thousand, eight hundred fifty-eight".