157927744 has 28 divisors (see below), whose sum is σ = 337496404. Its totient is φ = 72889344.

The previous prime is 157927727. The next prime is 157927771. The reversal of 157927744 is 447729751.

It can be written as a sum of positive squares in 2 ways, for example, as 82446400 + 75481344 = 9080^2 + 8688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157927694 and 157927703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94077 + ... + 95740.

It is an arithmetic number, because the mean of its divisors is an integer number (12053443).

Almost surely, 2^157927744 is an apocalyptic number.

It is an amenable number.

157927744 is an abundant number, since it is smaller than the sum of its proper divisors (179568660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157927744 is a wasteful number, since it uses less digits than its factorization.

157927744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189842 (or 189832 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 157927744 is about 12566.9305719416. The cubic root of 157927744 is about 540.5295947520.

The spelling of 157927744 in words is "one hundred fifty-seven million, nine hundred twenty-seven thousand, seven hundred forty-four".