806770536 has 128 divisors (see below), whose sum is σ = 2446295040. Its totient is φ = 218361600.

The previous prime is 806770499. The next prime is 806770537. The reversal of 806770536 is 635077608.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (806770537) 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 in 31 ways as a sum of consecutive naturals, for example, 102601 + ... + 110183.

It is an arithmetic number, because the mean of its divisors is an integer number (19111680).

Almost surely, 2^806770536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806770536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223147520).

806770536 is an abundant number, since it is smaller than the sum of its proper divisors (1639524504).

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

806770536 is a wasteful number, since it uses less digits than its factorization.

806770536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7647 (or 7643 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 806770536 is about 28403.7063778655. The cubic root of 806770536 is about 930.9292504008.

The spelling of 806770536 in words is "eight hundred six million, seven hundred seventy thousand, five hundred thirty-six".