142886767878 has 64 divisors (see below), whose sum is σ = 324095904000. Its totient is φ = 46653469632.

The previous prime is 142886767871. The next prime is 142886767889. The reversal of 142886767878 is 878767688241.

It is a happy number.

142886767878 is a `hidden beast` number, since 1 + 428 + 8 + 67 + 6 + 78 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142886767871) 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, 375313 + ... + 653171.

It is an arithmetic number, because the mean of its divisors is an integer number (5063998500).

Almost surely, 2^142886767878 is an apocalyptic number.

142886767878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142886767878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162047952000).

142886767878 is an abundant number, since it is smaller than the sum of its proper divisors (181209136122).

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

142886767878 is a wasteful number, since it uses less digits than its factorization.

142886767878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278066 (or 278060 counting only the distinct ones).

The product of its digits is 404619264, while the sum is 72.

The spelling of 142886767878 in words is "one hundred forty-two billion, eight hundred eighty-six million, seven hundred sixty-seven thousand, eight hundred seventy-eight".