971372671488 has 90 divisors (see below), whose sum is σ = 2803640401419. Its totient is φ = 323768589312.

The previous prime is 971372671483. The next prime is 971372671513. The reversal of 971372671488 is 884176273179.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

971372671488 is a `hidden beast` number, since 9 + 7 + 13 + 72 + 6 + 71 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 485686335744 + 485686335744 = 696912^2 + 696912^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=696912.

It is not an unprimeable number, because it can be changed into a prime (971372671481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66896293 + ... + 66910811.

Almost surely, 2^971372671488 is an apocalyptic number.

It is an amenable number.

971372671488 is an abundant number, since it is smaller than the sum of its proper divisors (1832267729931).

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

971372671488 is an frugal number, since it uses more digits than its factorization.

971372671488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29062 (or 14524 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 971372671488 in words is "nine hundred seventy-one billion, three hundred seventy-two million, six hundred seventy-one thousand, four hundred eighty-eight".