87087545 has 16 divisors (see below), whose sum is σ = 114791040. Its totient is φ = 63131904.

The previous prime is 87087523. The next prime is 87087563. The reversal of 87087545 is 54578078.

It is a cyclic number.

It is not a de Polignac number, because 87087545 - 2¹² = 87083449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87087496 and 87087505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17744 + ... + 22113.

It is an arithmetic number, because the mean of its divisors is an integer number (7174440).

Almost surely, 2^87087545 is an apocalyptic number.

It is an amenable number.

87087545 is a deficient number, since it is larger than the sum of its proper divisors (27703495).

87087545 is a wasteful number, since it uses less digits than its factorization.

87087545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 87087545 is about 9332.0707776999. The cubic root of 87087545 is about 443.2533391890.

The spelling of 87087545 in words is "eighty-seven million, eighty-seven thousand, five hundred forty-five".