2078678250 has 96 divisors (see below), whose sum is σ = 6131795904. Its totient is φ = 503916000.

The previous prime is 2078678249. The next prime is 2078678267. The reversal of 2078678250 is 528768702.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2078678196 and 2078678205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17244 + ... + 66743.

It is an arithmetic number, because the mean of its divisors is an integer number (63872874).

Almost surely, 2^2078678250 is an apocalyptic number.

2078678250 is an abundant number, since it is smaller than the sum of its proper divisors (4053117654).

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

2078678250 is a wasteful number, since it uses less digits than its factorization.

2078678250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84021 (or 84008 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 2078678250 is about 45592.5240582269. The cubic root of 2078678250 is about 1276.2304154576.

The spelling of 2078678250 in words is "two billion, seventy-eight million, six hundred seventy-eight thousand, two hundred fifty".