2500467878 has 4 divisors (see below), whose sum is σ = 3750701820. Its totient is φ = 1250233938.

The previous prime is 2500467863. The next prime is 2500467883. The reversal of 2500467878 is 8787640052.

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

It is a super-3 number, since 3×2500467878³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625116968 + ... + 625116971.

It is an arithmetic number, because the mean of its divisors is an integer number (937675455).

Almost surely, 2^2500467878 is an apocalyptic number.

2500467878 is a deficient number, since it is larger than the sum of its proper divisors (1250233942).

2500467878 is a wasteful number, since it uses less digits than its factorization.

2500467878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250233941.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 2500467878 is about 50004.6785611107. The cubic root of 2500467878 is about 1357.2934707685.

The spelling of 2500467878 in words is "two billion, five hundred million, four hundred sixty-seven thousand, eight hundred seventy-eight".