1068551487 has 32 divisors (see below), whose sum is σ = 1640952000. Its totient is φ = 686407680.

The previous prime is 1068551483. The next prime is 1068551501. The reversal of 1068551487 is 7841558601.

1068551487 is a `hidden beast` number, since 10 + 6 + 8 + 551 + 4 + 87 = 666.

It is not a de Polignac number, because 1068551487 - 2² = 1068551483 is a prime.

It is a super-2 number, since 2×1068551487² = 2283604560739822338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068551483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500839 + ... + 502967.

It is an arithmetic number, because the mean of its divisors is an integer number (51279750).

Almost surely, 2^1068551487 is an apocalyptic number.

1068551487 is a deficient number, since it is larger than the sum of its proper divisors (572400513).

1068551487 is a wasteful number, since it uses less digits than its factorization.

1068551487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The square root of 1068551487 is about 32688.7058018515. The cubic root of 1068551487 is about 1022.3473705661.

The spelling of 1068551487 in words is "one billion, sixty-eight million, five hundred fifty-one thousand, four hundred eighty-seven".