42878764235341 has 4 divisors (see below), whose sum is σ = 42885683519292. Its totient is φ = 42871844951392.

The previous prime is 42878764235299. The next prime is 42878764235353. The reversal of 42878764235341 is 14353246787824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5973698133225 + 36905066102116 = 2444115^2 + 6074954^2 .

It is a cyclic number.

It is not a de Polignac number, because 42878764235341 - 2¹³ = 42878764227149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878764235381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459632680 + ... + 3459645073.

It is an arithmetic number, because the mean of its divisors is an integer number (10721420879823).

Almost surely, 2^{42878764235341} is an apocalyptic number.

It is an amenable number.

42878764235341 is a deficient number, since it is larger than the sum of its proper divisors (6919283951).

42878764235341 is an equidigital number, since it uses as much as digits as its factorization.

42878764235341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919283950.

The product of its digits is 216760320, while the sum is 64.

The spelling of 42878764235341 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred sixty-four million, two hundred thirty-five thousand, three hundred forty-one".