42827909397 has 32 divisors (see below), whose sum is σ = 70361867520. Its totient is φ = 22564776960.

The previous prime is 42827909387. The next prime is 42827909417. The reversal of 42827909397 is 79390972824.

42827909397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42827909397 - 2¹⁹ = 42827385109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42827909397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42827909387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151479 + ... + 329547.

It is an arithmetic number, because the mean of its divisors is an integer number (2198808360).

Almost surely, 2^42827909397 is an apocalyptic number.

It is an amenable number.

42827909397 is a deficient number, since it is larger than the sum of its proper divisors (27533958123).

42827909397 is a wasteful number, since it uses less digits than its factorization.

42827909397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178973.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 42827909397 in words is "forty-two billion, eight hundred twenty-seven million, nine hundred nine thousand, three hundred ninety-seven".