201157707 has 4 divisors (see below), whose sum is σ = 268210280. Its totient is φ = 134105136.

The previous prime is 201157703. The next prime is 201157763. The reversal of 201157707 is 707751102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201157707 - 2² = 201157703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201157703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33526282 + ... + 33526287.

It is an arithmetic number, because the mean of its divisors is an integer number (67052570).

Almost surely, 2^201157707 is an apocalyptic number.

201157707 is a deficient number, since it is larger than the sum of its proper divisors (67052573).

201157707 is an equidigital number, since it uses as much as digits as its factorization.

201157707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67052572.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 201157707 is about 14183.0076852549. The cubic root of 201157707 is about 585.9297626527.

The spelling of 201157707 in words is "two hundred one million, one hundred fifty-seven thousand, seven hundred seven".