2078434825 has 12 divisors (see below), whose sum is σ = 2578111900. Its totient is φ = 1662197760.

The previous prime is 2078434777. The next prime is 2078434849. The reversal of 2078434825 is 5284348702.

It can be written as a sum of positive squares in 6 ways, for example, as 441504144 + 1636930681 = 21012^2 + 40459^2 .

It is not a de Polignac number, because 2078434825 - 2⁹ = 2078434313 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74401 + ... + 98449.

Almost surely, 2^2078434825 is an apocalyptic number.

2078434825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2078434825 is a deficient number, since it is larger than the sum of its proper divisors (499677075).

2078434825 is a wasteful number, since it uses less digits than its factorization.

2078434825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27516 (or 27511 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 2078434825 is about 45589.8544086291. The cubic root of 2078434825 is about 1276.1805955754.

The spelling of 2078434825 in words is "two billion, seventy-eight million, four hundred thirty-four thousand, eight hundred twenty-five".