971213064 has 32 divisors (see below), whose sum is σ = 2428800000. Its totient is φ = 323635392.

The previous prime is 971213041. The next prime is 971213081. The reversal of 971213064 is 460312179.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134457 + ... + 141495.

It is an arithmetic number, because the mean of its divisors is an integer number (75900000).

Almost surely, 2^971213064 is an apocalyptic number.

It is an amenable number.

971213064 is an abundant number, since it is smaller than the sum of its proper divisors (1457586936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971213064 is a wasteful number, since it uses less digits than its factorization.

971213064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797 (or 12793 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 971213064 is about 31164.2914888178. The cubic root of 971213064 is about 990.3107768325.

The spelling of 971213064 in words is "nine hundred seventy-one million, two hundred thirteen thousand, sixty-four".