42878276887351 has 4 divisors (see below), whose sum is σ = 42882376551400. Its totient is φ = 42874177223304.

The previous prime is 42878276887249. The next prime is 42878276887393. The reversal of 42878276887351 is 15378867287824.

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

It is a cyclic number.

It is not a de Polignac number, because 42878276887351 - 2⁴¹ = 40679253631799 is a prime.

It is a super-2 number, since 2×42878276887351² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878276887651) 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, 2049816336 + ... + 2049837253.

It is an arithmetic number, because the mean of its divisors is an integer number (10720594137850).

Almost surely, 2^{42878276887351} is an apocalyptic number.

42878276887351 is a deficient number, since it is larger than the sum of its proper divisors (4099664049).

42878276887351 is a wasteful number, since it uses less digits than its factorization.

42878276887351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099664048.

The product of its digits is 2023096320, while the sum is 76.

The spelling of 42878276887351 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-six million, eight hundred eighty-seven thousand, three hundred fifty-one".