42765865670 has 32 divisors (see below), whose sum is σ = 84018802176. Its totient is φ = 15543410400.

The previous prime is 42765865577. The next prime is 42765865673. The reversal of 42765865670 is 7656856724.

42765865670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42765865673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124547 + ... + 317873.

It is an arithmetic number, because the mean of its divisors is an integer number (2625587568).

Almost surely, 2^42765865670 is an apocalyptic number.

42765865670 is a deficient number, since it is larger than the sum of its proper divisors (41252936506).

42765865670 is a wasteful number, since it uses less digits than its factorization.

42765865670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195356.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 42765865670 in words is "forty-two billion, seven hundred sixty-five million, eight hundred sixty-five thousand, six hundred seventy".