961422866587 has 2 divisors, whose sum is σ = 961422866588. Its totient is φ = 961422866586.

The previous prime is 961422866543. The next prime is 961422866639. The reversal of 961422866587 is 785668224169.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961422866587 is a prime.

It is not a weakly prime, because it can be changed into another prime (961422866527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480711433293 + 480711433294.

It is an arithmetic number, because the mean of its divisors is an integer number (480711433294).

Almost surely, 2^961422866587 is an apocalyptic number.

961422866587 is a deficient number, since it is larger than the sum of its proper divisors (1).

961422866587 is an equidigital number, since it uses as much as digits as its factorization.

961422866587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 64.

The spelling of 961422866587 in words is "nine hundred sixty-one billion, four hundred twenty-two million, eight hundred sixty-six thousand, five hundred eighty-seven".