87743428 has 12 divisors (see below), whose sum is σ = 157701292. Its totient is φ = 42685920.

The previous prime is 87743419. The next prime is 87743429. The reversal of 87743428 is 82434778.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 47775744 = 6322^2 + 6912^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87743429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296283 + ... + 296578.

Almost surely, 2^87743428 is an apocalyptic number.

It is an amenable number.

87743428 is a deficient number, since it is larger than the sum of its proper divisors (69957864).

87743428 is a wasteful number, since it uses less digits than its factorization.

87743428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592902 (or 592900 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 87743428 is about 9367.1462036204. The cubic root of 87743428 is about 444.3633162382.

The spelling of 87743428 in words is "eighty-seven million, seven hundred forty-three thousand, four hundred twenty-eight".