2509884878 has 4 divisors (see below), whose sum is σ = 3764827320. Its totient is φ = 1254942438.

The previous prime is 2509884877. The next prime is 2509884893. The reversal of 2509884878 is 8784889052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2509884877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627471218 + ... + 627471221.

It is an arithmetic number, because the mean of its divisors is an integer number (941206830).

Almost surely, 2^2509884878 is an apocalyptic number.

2509884878 is a deficient number, since it is larger than the sum of its proper divisors (1254942442).

2509884878 is a wasteful number, since it uses less digits than its factorization.

2509884878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254942441.

The product of its (nonzero) digits is 10321920, while the sum is 59.

The square root of 2509884878 is about 50098.7512618828. The cubic root of 2509884878 is about 1358.9952350129.

The spelling of 2509884878 in words is "two billion, five hundred nine million, eight hundred eighty-four thousand, eight hundred seventy-eight".