87654155 has 4 divisors (see below), whose sum is σ = 105184992. Its totient is φ = 70123320.

The previous prime is 87654139. The next prime is 87654169. The reversal of 87654155 is 55145678.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87654155 - 2⁴ = 87654139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8765411 + ... + 8765420.

It is an arithmetic number, because the mean of its divisors is an integer number (26296248).

Almost surely, 2^87654155 is an apocalyptic number.

87654155 is a deficient number, since it is larger than the sum of its proper divisors (17530837).

87654155 is a wasteful number, since it uses less digits than its factorization.

87654155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17530836.

The product of its digits is 168000, while the sum is 41.

The square root of 87654155 is about 9362.3797722588. The cubic root of 87654155 is about 444.2125618984.

The spelling of 87654155 in words is "eighty-seven million, six hundred fifty-four thousand, one hundred fifty-five".