971893257706 has 64 divisors (see below), whose sum is σ = 1708335194112. Its totient is φ = 406102352832.

The previous prime is 971893257689. The next prime is 971893257749. The reversal of 971893257706 is 607752398179.

971893257706 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 31 ways as a sum of consecutive naturals, for example, 128163591 + ... + 128171173.

It is an arithmetic number, because the mean of its divisors is an integer number (26692737408).

Almost surely, 2^971893257706 is an apocalyptic number.

971893257706 is a deficient number, since it is larger than the sum of its proper divisors (736441936406).

971893257706 is a wasteful number, since it uses less digits than its factorization.

971893257706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043.

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 971893257706 in words is "nine hundred seventy-one billion, eight hundred ninety-three million, two hundred fifty-seven thousand, seven hundred six".