157871984 has 10 divisors (see below), whose sum is σ = 305877000. Its totient is φ = 78935984.

The previous prime is 157871981. The next prime is 157871999. The reversal of 157871984 is 489178751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157871981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4933484 + ... + 4933515.

It is an arithmetic number, because the mean of its divisors is an integer number (30587700).

Almost surely, 2^157871984 is an apocalyptic number.

It is an amenable number.

157871984 is a deficient number, since it is larger than the sum of its proper divisors (148005016).

157871984 is an equidigital number, since it uses as much as digits as its factorization.

157871984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867007 (or 9867001 counting only the distinct ones).

The product of its digits is 564480, while the sum is 50.

The square root of 157871984 is about 12564.7118550327. The cubic root of 157871984 is about 540.4659718206.

It can be divided in two parts, 15787 and 1984, that added together give a palindrome (17771).

The spelling of 157871984 in words is "one hundred fifty-seven million, eight hundred seventy-one thousand, nine hundred eighty-four".