971394038064 has 120 divisors (see below), whose sum is σ = 2724306204672. Its totient is φ = 323113714560.

The previous prime is 971394038059. The next prime is 971394038179. The reversal of 971394038064 is 460830493179.

It is a happy number.

971394038064 is a `hidden beast` number, since 9 + 71 + 39 + 403 + 80 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 971394038064.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152563809 + ... + 152570175.

Almost surely, 2^971394038064 is an apocalyptic number.

It is an amenable number.

971394038064 is an abundant number, since it is smaller than the sum of its proper divisors (1752912166608).

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

971394038064 is a wasteful number, since it uses less digits than its factorization.

971394038064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 971394038064 in words is "nine hundred seventy-one billion, three hundred ninety-four million, thirty-eight thousand, sixty-four".