973878571 has 2 divisors, whose sum is σ = 973878572. Its totient is φ = 973878570.

The previous prime is 973878559. The next prime is 973878593. The reversal of 973878571 is 175878379.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 973878571 - 2²⁵ = 940324139 is a prime.

It is not a weakly prime, because it can be changed into another prime (973878071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486939285 + 486939286.

It is an arithmetic number, because the mean of its divisors is an integer number (486939286).

Almost surely, 2^973878571 is an apocalyptic number.

973878571 is a deficient number, since it is larger than the sum of its proper divisors (1).

973878571 is an equidigital number, since it uses as much as digits as its factorization.

973878571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 55.

The square root of 973878571 is about 31207.0275899516. The cubic root of 973878571 is about 991.2159229163.

The spelling of 973878571 in words is "nine hundred seventy-three million, eight hundred seventy-eight thousand, five hundred seventy-one".