157885471 has 2 divisors, whose sum is σ = 157885472. Its totient is φ = 157885470.

The previous prime is 157885451. The next prime is 157885487. The reversal of 157885471 is 174588751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157885471 - 2⁵ = 157885439 is a prime.

It is a super-3 number, since 3×157885471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157885411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78942735 + 78942736.

It is an arithmetic number, because the mean of its divisors is an integer number (78942736).

Almost surely, 2^157885471 is an apocalyptic number.

157885471 is a deficient number, since it is larger than the sum of its proper divisors (1).

157885471 is an equidigital number, since it uses as much as digits as its factorization.

157885471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313600, while the sum is 46.

The square root of 157885471 is about 12565.2485450945. The cubic root of 157885471 is about 540.4813620476.

The spelling of 157885471 in words is "one hundred fifty-seven million, eight hundred eighty-five thousand, four hundred seventy-one".