157847860 has 12 divisors (see below), whose sum is σ = 331480548. Its totient is φ = 63139136.

The previous prime is 157847857. The next prime is 157847863. The reversal of 157847860 is 68748751.

It is an interprime number because it is at equal distance from previous prime (157847857) and next prime (157847863).

It can be written as a sum of positive squares in 2 ways, for example, as 66683556 + 91164304 = 8166^2 + 9548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157847860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157847863) by changing a digit.

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, 3946177 + ... + 3946216.

It is an arithmetic number, because the mean of its divisors is an integer number (27623379).

Almost surely, 2^157847860 is an apocalyptic number.

157847860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157847860 is an abundant number, since it is smaller than the sum of its proper divisors (173632688).

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

157847860 is a wasteful number, since it uses less digits than its factorization.

157847860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892402 (or 7892400 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 157847860 is about 12563.7518281762. The cubic root of 157847860 is about 540.4384413601.

The spelling of 157847860 in words is "one hundred fifty-seven million, eight hundred forty-seven thousand, eight hundred sixty".