987335505 has 48 divisors (see below), whose sum is σ = 1846602576. Its totient is φ = 485130240.

The previous prime is 987335501. The next prime is 987335509. The reversal of 987335505 is 505533789.

987335505 is a `hidden beast` number, since 98 + 7 + 3 + 3 + 550 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (987335501) and next prime (987335509).

It can be written as a sum of positive squares in 8 ways, for example, as 45643536 + 941691969 = 6756^2 + 30687^2 .

It is not a de Polignac number, because 987335505 - 2² = 987335501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (987335501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373669 + ... + 376301.

It is an arithmetic number, because the mean of its divisors is an integer number (38470887).

Almost surely, 2^987335505 is an apocalyptic number.

It is an amenable number.

987335505 is a deficient number, since it is larger than the sum of its proper divisors (859267071).

987335505 is a wasteful number, since it uses less digits than its factorization.

987335505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The square root of 987335505 is about 31421.8953120272. The cubic root of 987335505 is about 995.7605541641.

The spelling of 987335505 in words is "nine hundred eighty-seven million, three hundred thirty-five thousand, five hundred five".