157863208 has 16 divisors (see below), whose sum is σ = 296179380. Its totient is φ = 78882048.

The previous prime is 157863193. The next prime is 157863227. The reversal of 157863208 is 802368751.

It can be written as a sum of positive squares in 2 ways, for example, as 142038724 + 15824484 = 11918^2 + 3978^2 .

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, 9760 + ... + 20272.

Almost surely, 2^157863208 is an apocalyptic number.

It is an amenable number.

157863208 is a deficient number, since it is larger than the sum of its proper divisors (138316172).

157863208 is a wasteful number, since it uses less digits than its factorization.

157863208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12396 (or 12392 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 157863208 is about 12564.3626181355. The cubic root of 157863208 is about 540.4559569188.

The spelling of 157863208 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, two hundred eight".