157080709 has 8 divisors (see below), whose sum is σ = 157976000. Its totient is φ = 156188736.

The previous prime is 157080683. The next prime is 157080739. The reversal of 157080709 is 907080751.

157080709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157080709 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 (157080739) 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, 215704 + ... + 216430.

It is an arithmetic number, because the mean of its divisors is an integer number (19747000).

Almost surely, 2^157080709 is an apocalyptic number.

It is an amenable number.

157080709 is a deficient number, since it is larger than the sum of its proper divisors (895291).

157080709 is an equidigital number, since it uses as much as digits as its factorization.

157080709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 157080709 is about 12533.1843120573. The cubic root of 157080709 is about 539.5614970083.

The spelling of 157080709 in words is "one hundred fifty-seven million, eighty thousand, seven hundred nine".