15770938850 has 12 divisors (see below), whose sum is σ = 29333946354. Its totient is φ = 6308375520.

The previous prime is 15770938801. The next prime is 15770938919. The reversal of 15770938850 is 5883907751.

It is a happy number.

15770938850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12444071809 + 3326867041 = 111553^2 + 57679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15770938792 and 15770938801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157709339 + ... + 157709438.

Almost surely, 2^15770938850 is an apocalyptic number.

15770938850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15770938850 is a deficient number, since it is larger than the sum of its proper divisors (13563007504).

15770938850 is a wasteful number, since it uses less digits than its factorization.

15770938850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315418789 (or 315418784 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 15770938850 in words is "fifteen billion, seven hundred seventy million, nine hundred thirty-eight thousand, eight hundred fifty".