42770309785 has 24 divisors (see below), whose sum is σ = 59818196736. Its totient is φ = 29272047840.

The previous prime is 42770309783. The next prime is 42770309789. The reversal of 42770309785 is 58790307724.

It is not a de Polignac number, because 42770309785 - 2¹ = 42770309783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42770309783) 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 23 ways as a sum of consecutive naturals, for example, 38761 + ... + 295030.

It is an arithmetic number, because the mean of its divisors is an integer number (2492424864).

Almost surely, 2^42770309785 is an apocalyptic number.

It is an amenable number.

42770309785 is a deficient number, since it is larger than the sum of its proper divisors (17047886951).

42770309785 is a wasteful number, since it uses less digits than its factorization.

42770309785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334333 (or 334326 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 42770309785 in words is "forty-two billion, seven hundred seventy million, three hundred nine thousand, seven hundred eighty-five".