971488784 has 40 divisors (see below), whose sum is σ = 2159587968. Its totient is φ = 414720000.

The previous prime is 971488741. The next prime is 971488787. The reversal of 971488784 is 487884179.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (971488787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11909 + ... + 45659.

Almost surely, 2^971488784 is an apocalyptic number.

It is an amenable number.

971488784 is an abundant number, since it is smaller than the sum of its proper divisors (1188099184).

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

971488784 is a wasteful number, since it uses less digits than its factorization.

971488784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34023 (or 34017 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 56.

The square root of 971488784 is about 31168.7148275318. The cubic root of 971488784 is about 990.4044818642.

The spelling of 971488784 in words is "nine hundred seventy-one million, four hundred eighty-eight thousand, seven hundred eighty-four".