7854284245 has 4 divisors (see below), whose sum is σ = 9425141100. Its totient is φ = 6283427392.

The previous prime is 7854284227. The next prime is 7854284267. The reversal of 7854284245 is 5424824587.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1194255364 + 6660028881 = 34558^2 + 81609^2 .

It is a cyclic number.

It is not a de Polignac number, because 7854284245 - 2¹⁷ = 7854153173 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 785428420 + ... + 785428429.

It is an arithmetic number, because the mean of its divisors is an integer number (2356285275).

Almost surely, 2^7854284245 is an apocalyptic number.

It is an amenable number.

7854284245 is a deficient number, since it is larger than the sum of its proper divisors (1570856855).

7854284245 is a wasteful number, since it uses less digits than its factorization.

7854284245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570856854.

The product of its digits is 2867200, while the sum is 49.

The square root of 7854284245 is about 88624.3998287153. The cubic root of 7854284245 is about 1987.7825392140.

The spelling of 7854284245 in words is "seven billion, eight hundred fifty-four million, two hundred eighty-four thousand, two hundred forty-five".