851136067 has 2 divisors, whose sum is σ = 851136068. Its totient is φ = 851136066.

The previous prime is 851136061. The next prime is 851136073. The reversal of 851136067 is 760631158.

It is a balanced prime because it is at equal distance from previous prime (851136061) and next prime (851136073).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-851136067 is a prime.

It is not a weakly prime, because it can be changed into another prime (851136061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425568033 + 425568034.

It is an arithmetic number, because the mean of its divisors is an integer number (425568034).

Almost surely, 2^851136067 is an apocalyptic number.

851136067 is a deficient number, since it is larger than the sum of its proper divisors (1).

851136067 is an equidigital number, since it uses as much as digits as its factorization.

851136067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 851136067 is about 29174.2363567583. The cubic root of 851136067 is about 947.6900729087.

The spelling of 851136067 in words is "eight hundred fifty-one million, one hundred thirty-six thousand, sixty-seven".