5186878850 has 12 divisors (see below), whose sum is σ = 9647594754. Its totient is φ = 2074751520.

The previous prime is 5186878849. The next prime is 5186878919. The reversal of 5186878850 is 588786815.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3824309281 + 1362569569 = 61841^2 + 36913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51868739 + ... + 51868838.

Almost surely, 2^5186878850 is an apocalyptic number.

5186878850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5186878850 is a deficient number, since it is larger than the sum of its proper divisors (4460715904).

5186878850 is a wasteful number, since it uses less digits than its factorization.

5186878850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103737589 (or 103737584 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 56.

The square root of 5186878850 is about 72019.9892390994. The cubic root of 5186878850 is about 1731.0197970099.

The spelling of 5186878850 in words is "five billion, one hundred eighty-six million, eight hundred seventy-eight thousand, eight hundred fifty".