2855439515 has 8 divisors (see below), whose sum is σ = 3429435888. Its totient is φ = 2282412640.

The previous prime is 2855439497. The next prime is 2855439523. The reversal of 2855439515 is 5159345582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2855439515 - 2⁶ = 2855439451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2855439515.

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, 235877 + ... + 247686.

It is an arithmetic number, because the mean of its divisors is an integer number (428679486).

Almost surely, 2^2855439515 is an apocalyptic number.

2855439515 is a deficient number, since it is larger than the sum of its proper divisors (573996373).

2855439515 is a wasteful number, since it uses less digits than its factorization.

2855439515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484749.

The product of its digits is 1080000, while the sum is 47.

The square root of 2855439515 is about 53436.3127002603. The cubic root of 2855439515 is about 1418.7013709195.

The spelling of 2855439515 in words is "two billion, eight hundred fifty-five million, four hundred thirty-nine thousand, five hundred fifteen".