856029007 has 2 divisors, whose sum is σ = 856029008. Its totient is φ = 856029006.

The previous prime is 856028981. The next prime is 856029029. The reversal of 856029007 is 700920658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 856029007 - 2²³ = 847640399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (856020007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428014503 + 428014504.

It is an arithmetic number, because the mean of its divisors is an integer number (428014504).

Almost surely, 2^856029007 is an apocalyptic number.

856029007 is a deficient number, since it is larger than the sum of its proper divisors (1).

856029007 is an equidigital number, since it uses as much as digits as its factorization.

856029007 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 856029007 is about 29257.9733918807. The cubic root of 856029007 is about 949.5026046267.

The spelling of 856029007 in words is "eight hundred fifty-six million, twenty-nine thousand, seven".