875958649 has 2 divisors, whose sum is σ = 875958650. Its totient is φ = 875958648.

The previous prime is 875958637. The next prime is 875958739. The reversal of 875958649 is 946859578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845355625 + 30603024 = 29075^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 875958649 - 2⁷ = 875958521 is a prime.

It is not a weakly prime, because it can be changed into another prime (875928649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437979324 + 437979325.

It is an arithmetic number, because the mean of its divisors is an integer number (437979325).

Almost surely, 2^875958649 is an apocalyptic number.

It is an amenable number.

875958649 is a deficient number, since it is larger than the sum of its proper divisors (1).

875958649 is an equidigital number, since it uses as much as digits as its factorization.

875958649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 61.

The square root of 875958649 is about 29596.5986052452. The cubic root of 875958649 is about 956.8147647688.

The spelling of 875958649 in words is "eight hundred seventy-five million, nine hundred fifty-eight thousand, six hundred forty-nine".