2142878926 has 8 divisors (see below), whose sum is σ = 3230635320. Its totient is φ = 1066000488.

The previous prime is 2142878921. The next prime is 2142878963. The reversal of 2142878926 is 6298782412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2142878926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142878921) 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, 2718996 + ... + 2719783.

It is an arithmetic number, because the mean of its divisors is an integer number (403829415).

Almost surely, 2^2142878926 is an apocalyptic number.

2142878926 is a deficient number, since it is larger than the sum of its proper divisors (1087756394).

2142878926 is a wasteful number, since it uses less digits than its factorization.

2142878926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438978.

The product of its digits is 774144, while the sum is 49.

The square root of 2142878926 is about 46291.2402728637. The cubic root of 2142878926 is about 1289.2363579228.

The spelling of 2142878926 in words is "two billion, one hundred forty-two million, eight hundred seventy-eight thousand, nine hundred twenty-six".