806670670085280 has 9216 divisors, whose sum is σ = 4201959496089600. Its totient is φ = 139394691072000.

The previous prime is 806670670085227. The next prime is 806670670085339. The reversal of 806670670085280 is 82580076076608.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 1535 ways as a sum of consecutive naturals, for example, 3823083744375 + ... + 3823083744585.

It is an arithmetic number, because the mean of its divisors is an integer number (455941785600).

Almost surely, 2^{806670670085280} is an apocalyptic number.

806670670085280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806670670085280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100979748044800).

806670670085280 is an abundant number, since it is smaller than the sum of its proper divisors (3395288826004320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806670670085280 is a wasteful number, since it uses less digits than its factorization.

806670670085280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 806670670085280 in words is "eight hundred six trillion, six hundred seventy billion, six hundred seventy million, eighty-five thousand, two hundred eighty".