5215778750 has 80 divisors (see below), whose sum is σ = 12032823264. Its totient is φ = 1650672000.

The previous prime is 5215778719. The next prime is 5215778759. The reversal of 5215778750 is 578775125.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5215778695 and 5215778704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215778759) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90824 + ... + 136676.

Almost surely, 2^5215778750 is an apocalyptic number.

5215778750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215778750 is an abundant number, since it is smaller than the sum of its proper divisors (6817044514).

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

5215778750 is a wasteful number, since it uses less digits than its factorization.

5215778750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45895 (or 45880 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 47.

The square root of 5215778750 is about 72220.3485868076. The cubic root of 5215778750 is about 1734.2287707788.

The spelling of 5215778750 in words is "five billion, two hundred fifteen million, seven hundred seventy-eight thousand, seven hundred fifty".