850477651 has 2 divisors, whose sum is σ = 850477652. Its totient is φ = 850477650.

The previous prime is 850477627. The next prime is 850477687. The reversal of 850477651 is 156774058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850477651 - 2²¹ = 848380499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850477598 and 850477607.

It is not a weakly prime, because it can be changed into another prime (850477051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425238825 + 425238826.

It is an arithmetic number, because the mean of its divisors is an integer number (425238826).

Almost surely, 2^850477651 is an apocalyptic number.

850477651 is a deficient number, since it is larger than the sum of its proper divisors (1).

850477651 is an equidigital number, since it uses as much as digits as its factorization.

850477651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 850477651 is about 29162.9499708106. The cubic root of 850477651 is about 947.4456406739.

The spelling of 850477651 in words is "eight hundred fifty million, four hundred seventy-seven thousand, six hundred fifty-one".