2878361503 has 4 divisors (see below), whose sum is σ = 2879272960. Its totient is φ = 2877450048.

The previous prime is 2878361483. The next prime is 2878361527. The reversal of 2878361503 is 3051638782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3051638782 = 2 ⋅1525819391.

It is a cyclic number.

It is not a de Polignac number, because 2878361503 - 2¹³ = 2878353311 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 2878361503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878361533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450975 + ... + 457312.

It is an arithmetic number, because the mean of its divisors is an integer number (719818240).

Almost surely, 2^2878361503 is an apocalyptic number.

2878361503 is a deficient number, since it is larger than the sum of its proper divisors (911457).

2878361503 is an equidigital number, since it uses as much as digits as its factorization.

2878361503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911456.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2878361503 is about 53650.3634936428. The cubic root of 2878361503 is about 1422.4874576952.

The spelling of 2878361503 in words is "two billion, eight hundred seventy-eight million, three hundred sixty-one thousand, five hundred three".