1878485245 has 16 divisors (see below), whose sum is σ = 2774378880. Its totient is φ = 1189018944.

The previous prime is 1878485209. The next prime is 1878485291. The reversal of 1878485245 is 5425848781.

It is a cyclic number.

It is not a de Polignac number, because 1878485245 - 2¹¹ = 1878483197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1878485192 and 1878485201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063815 + ... + 2064724.

It is an arithmetic number, because the mean of its divisors is an integer number (173398680).

Almost surely, 2^1878485245 is an apocalyptic number.

It is an amenable number.

1878485245 is a deficient number, since it is larger than the sum of its proper divisors (895893635).

1878485245 is a wasteful number, since it uses less digits than its factorization.

1878485245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128564.

The product of its digits is 2867200, while the sum is 52.

The square root of 1878485245 is about 43341.4956479354. The cubic root of 1878485245 is about 1233.8695956648.

The spelling of 1878485245 in words is "one billion, eight hundred seventy-eight million, four hundred eighty-five thousand, two hundred forty-five".