2506803478 has 8 divisors (see below), whose sum is σ = 3761585280. Its totient is φ = 1252941720.

The previous prime is 2506803451. The next prime is 2506803491. The reversal of 2506803478 is 8743086052.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223158 + ... + 234121.

It is an arithmetic number, because the mean of its divisors is an integer number (470198160).

Almost surely, 2^2506803478 is an apocalyptic number.

2506803478 is a deficient number, since it is larger than the sum of its proper divisors (1254781802).

2506803478 is a wasteful number, since it uses less digits than its factorization.

2506803478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460022.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2506803478 is about 50067.9885555631. The cubic root of 2506803478 is about 1358.4388585245.

The spelling of 2506803478 in words is "two billion, five hundred six million, eight hundred three thousand, four hundred seventy-eight".