85966066951 has 2 divisors, whose sum is σ = 85966066952. Its totient is φ = 85966066950.

The previous prime is 85966066919. The next prime is 85966067021. The reversal of 85966066951 is 15966066958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85966066951 - 2⁵ = 85966066919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85966066951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85966060951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42983033475 + 42983033476.

It is an arithmetic number, because the mean of its divisors is an integer number (42983033476).

Almost surely, 2^85966066951 is an apocalyptic number.

85966066951 is a deficient number, since it is larger than the sum of its proper divisors (1).

85966066951 is an equidigital number, since it uses as much as digits as its factorization.

85966066951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 85966066951 in words is "eighty-five billion, nine hundred sixty-six million, sixty-six thousand, nine hundred fifty-one".