108732987 has 12 divisors (see below), whose sum is σ = 171336984. Its totient is φ = 65898720.

The previous prime is 108732971. The next prime is 108732997. The reversal of 108732987 is 789237801.

It is not a de Polignac number, because 108732987 - 2⁴ = 108732971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108732907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549058 + ... + 549255.

It is an arithmetic number, because the mean of its divisors is an integer number (14278082).

Almost surely, 2^108732987 is an apocalyptic number.

108732987 is a deficient number, since it is larger than the sum of its proper divisors (62603997).

108732987 is a wasteful number, since it uses less digits than its factorization.

108732987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098330 (or 1098327 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 108732987 is about 10427.5110644871. The cubic root of 108732987 is about 477.2952432964.

The spelling of 108732987 in words is "one hundred eight million, seven hundred thirty-two thousand, nine hundred eighty-seven".