2519794878 has 32 divisors (see below), whose sum is σ = 5105786400. Its totient is φ = 828934656.

The previous prime is 2519794873. The next prime is 2519794903. The reversal of 2519794878 is 8784979152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2519794873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299700 + ... + 307992.

It is an arithmetic number, because the mean of its divisors is an integer number (159555825).

Almost surely, 2^2519794878 is an apocalyptic number.

2519794878 is an abundant number, since it is smaller than the sum of its proper divisors (2585991522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2519794878 is a wasteful number, since it uses less digits than its factorization.

2519794878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its digits is 10160640, while the sum is 60.

The square root of 2519794878 is about 50197.5584864443. The cubic root of 2519794878 is about 1360.7814997290.

The spelling of 2519794878 in words is "two billion, five hundred nineteen million, seven hundred ninety-four thousand, eight hundred seventy-eight".