157700005 has 8 divisors (see below), whose sum is σ = 189741600. Its totient is φ = 125825616.

The previous prime is 157700003. The next prime is 157700009. The reversal of 157700005 is 500007751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157700005 - 2¹ = 157700003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157700003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39715 + ... + 43504.

It is an arithmetic number, because the mean of its divisors is an integer number (23717700).

Almost surely, 2^157700005 is an apocalyptic number.

It is an amenable number.

157700005 is a deficient number, since it is larger than the sum of its proper divisors (32041595).

157700005 is an equidigital number, since it uses as much as digits as its factorization.

157700005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83603.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 157700005 is about 12557.8662598389. The cubic root of 157700005 is about 540.2696469947.

Adding to 157700005 its reverse (500007751), we get a palindrome (657707756).

The spelling of 157700005 in words is "one hundred fifty-seven million, seven hundred thousand, five".