970857986 has 16 divisors (see below), whose sum is σ = 1679599680. Its totient is φ = 412264080.

The previous prime is 970857967. The next prime is 970858019. The reversal of 970857986 is 689758079.

970857986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316580 + ... + 319631.

It is an arithmetic number, because the mean of its divisors is an integer number (104974980).

Almost surely, 2^970857986 is an apocalyptic number.

970857986 is a deficient number, since it is larger than the sum of its proper divisors (708741694).

970857986 is a wasteful number, since it uses less digits than its factorization.

970857986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636329.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 970857986 is about 31158.5940953696. The cubic root of 970857986 is about 990.1900753974.

The spelling of 970857986 in words is "nine hundred seventy million, eight hundred fifty-seven thousand, nine hundred eighty-six".