846478811 has 2 divisors, whose sum is σ = 846478812. Its totient is φ = 846478810.

The previous prime is 846478781. The next prime is 846478877. The reversal of 846478811 is 118874648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 846478811 - 2¹⁴ = 846462427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (846478891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423239405 + 423239406.

It is an arithmetic number, because the mean of its divisors is an integer number (423239406).

Almost surely, 2^846478811 is an apocalyptic number.

846478811 is a deficient number, since it is larger than the sum of its proper divisors (1).

846478811 is an equidigital number, since it uses as much as digits as its factorization.

846478811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 47.

The square root of 846478811 is about 29094.3089108506. The cubic root of 846478811 is about 945.9583834627.

The spelling of 846478811 in words is "eight hundred forty-six million, four hundred seventy-eight thousand, eight hundred eleven".