201457863 has 12 divisors (see below), whose sum is σ = 291211648. Its totient is φ = 134205120.

The previous prime is 201457787. The next prime is 201457873. The reversal of 201457863 is 368754102.

201457863 is a `hidden beast` number, since 20 + 1 + 4 + 578 + 63 = 666.

It is not a de Polignac number, because 201457863 - 2²⁶ = 134348999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201457873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5631 + ... + 20847.

Almost surely, 2^201457863 is an apocalyptic number.

201457863 is a deficient number, since it is larger than the sum of its proper divisors (89753785).

201457863 is a wasteful number, since it uses less digits than its factorization.

201457863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694 (or 16691 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 201457863 is about 14193.5852764550. The cubic root of 201457863 is about 586.2210480896.

The spelling of 201457863 in words is "two hundred one million, four hundred fifty-seven thousand, eight hundred sixty-three".