2078878 has 16 divisors (see below), whose sum is σ = 3332736. Its totient is φ = 970200.

The previous prime is 2078851. The next prime is 2078887. The reversal of 2078878 is 8788702.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2078878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (208296).

2^2078878 is an apocalyptic number.

2078878 is a deficient number, since it is larger than the sum of its proper divisors (1253858).

2078878 is a wasteful number, since it uses less digits than its factorization.

2078878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 2078878 is about 1441.8314742022. The cubic root of 2078878 is about 127.6271293815.

The spelling of 2078878 in words is "two million, seventy-eight thousand, eight hundred seventy-eight".