785871340 has 12 divisors (see below), whose sum is σ = 1650329856. Its totient is φ = 314348528.

The previous prime is 785871329. The next prime is 785871347. The reversal of 785871340 is 43178587.

It is not an unprimeable number, because it can be changed into a prime (785871347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19646764 + ... + 19646803.

It is an arithmetic number, because the mean of its divisors is an integer number (137527488).

Almost surely, 2^785871340 is an apocalyptic number.

It is an amenable number.

785871340 is an abundant number, since it is smaller than the sum of its proper divisors (864458516).

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

785871340 is a wasteful number, since it uses less digits than its factorization.

785871340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39293576 (or 39293574 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 785871340 is about 28033.3968687350. The cubic root of 785871340 is about 922.8203229032.

The spelling of 785871340 in words is "seven hundred eighty-five million, eight hundred seventy-one thousand, three hundred forty".