157187847 has 8 divisors (see below), whose sum is σ = 209647744. Its totient is φ = 104759928.

The previous prime is 157187837. The next prime is 157187851. The reversal of 157187847 is 748781751.

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

It is not a de Polignac number, because 157187847 - 2¹¹ = 157185799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157187796 and 157187805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157187827) by changing a digit.

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, 8118 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (26205968).

Almost surely, 2^157187847 is an apocalyptic number.

157187847 is a deficient number, since it is larger than the sum of its proper divisors (52459897).

157187847 is a wasteful number, since it uses less digits than its factorization.

157187847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15989.

The product of its digits is 439040, while the sum is 48.

The square root of 157187847 is about 12537.4577566586. The cubic root of 157187847 is about 539.6841396980.

The spelling of 157187847 in words is "one hundred fifty-seven million, one hundred eighty-seven thousand, eight hundred forty-seven".