87605855 has 8 divisors (see below), whose sum is σ = 106909200. Its totient is φ = 68896576.

The previous prime is 87605809. The next prime is 87605867. The reversal of 87605855 is 55850678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87605855 - 2¹⁰ = 87604831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148190 + ... + 148779.

It is an arithmetic number, because the mean of its divisors is an integer number (13363650).

Almost surely, 2^87605855 is an apocalyptic number.

87605855 is a deficient number, since it is larger than the sum of its proper divisors (19303345).

87605855 is a wasteful number, since it uses less digits than its factorization.

87605855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297033.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 87605855 is about 9359.7999444433. The cubic root of 87605855 is about 444.1309555414.

The spelling of 87605855 in words is "eighty-seven million, six hundred five thousand, eight hundred fifty-five".