971434978 has 16 divisors (see below), whose sum is σ = 1543460184. Its totient is φ = 456970240.

The previous prime is 971434967. The next prime is 971434991. The reversal of 971434978 is 879434179.

It can be written as a sum of positive squares in 4 ways, for example, as 963295369 + 8139609 = 31037^2 + 2853^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140826 + ... + 147562.

Almost surely, 2^971434978 is an apocalyptic number.

971434978 is a deficient number, since it is larger than the sum of its proper divisors (572025206).

971434978 is a wasteful number, since it uses less digits than its factorization.

971434978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997.

The product of its digits is 1524096, while the sum is 52.

The square root of 971434978 is about 31167.8516744417. The cubic root of 971434978 is about 990.3861969774.

The spelling of 971434978 in words is "nine hundred seventy-one million, four hundred thirty-four thousand, nine hundred seventy-eight".