157280000065 has 8 divisors (see below), whose sum is σ = 188739993600. Its totient is φ = 125821337712.

The previous prime is 157280000039. The next prime is 157280000123. The reversal of 157280000065 is 560000082751.

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 157280000065 - 2⁷ = 157279999937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51199 + ... + 563188.

It is an arithmetic number, because the mean of its divisors is an integer number (23592499200).

Almost surely, 2^157280000065 is an apocalyptic number.

It is an amenable number.

157280000065 is a deficient number, since it is larger than the sum of its proper divisors (31459993535).

157280000065 is an equidigital number, since it uses as much as digits as its factorization.

157280000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665591.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 157280000065 in words is "one hundred fifty-seven billion, two hundred eighty million, sixty-five", and thus it is an aban number.