28857143031716 has 24 divisors (see below), whose sum is σ = 51102340812600. Its totient is φ = 14257477711872.

The previous prime is 28857143031701. The next prime is 28857143031803. The reversal of 28857143031716 is 61713034175882.

28857143031716 is digitally balanced in base 5, 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 4 ways, for example, as 4204468230400 + 24652674801316 = 2050480^2 + 4965146^2 .

It is a super-3 number, since 3×28857143031716³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125320271 + ... + 125550326.

It is an arithmetic number, because the mean of its divisors is an integer number (2129264200525).

Almost surely, 2^{28857143031716} is an apocalyptic number.

It is an amenable number.

28857143031716 is a deficient number, since it is larger than the sum of its proper divisors (22245197780884).

28857143031716 is a wasteful number, since it uses less digits than its factorization.

28857143031716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250870943 (or 250870941 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 28857143031716 in words is "twenty-eight trillion, eight hundred fifty-seven billion, one hundred forty-three million, thirty-one thousand, seven hundred sixteen".