42878537163078 has 8 divisors (see below), whose sum is σ = 85757074326168. Its totient is φ = 14292845721024.

The previous prime is 42878537163061. The next prime is 42878537163113. The reversal of 42878537163078 is 87036173587824.

It is a sphenic number, since it is the product of 3 distinct primes.

42878537163078 is an admirable number.

It is a super-2 number, since 2×42878537163078² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573211430251 + ... + 3573211430262.

It is an arithmetic number, because the mean of its divisors is an integer number (10719634290771).

Almost surely, 2^{42878537163078} is an apocalyptic number.

42878537163078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42878537163078 is a wasteful number, since it uses less digits than its factorization.

42878537163078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146422860518.

The product of its (nonzero) digits is 379330560, while the sum is 69.

The spelling of 42878537163078 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-seven million, one hundred sixty-three thousand, seventy-eight".