86788545 has 16 divisors (see below), whose sum is σ = 144899712. Its totient is φ = 44274560.

The previous prime is 86788489. The next prime is 86788579. The reversal of 86788545 is 54588768.

It is not a de Polignac number, because 86788545 - 2⁹ = 86788033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125436 + ... + 126125.

It is an arithmetic number, because the mean of its divisors is an integer number (9056232).

Almost surely, 2^86788545 is an apocalyptic number.

It is an amenable number.

86788545 is a deficient number, since it is larger than the sum of its proper divisors (58111167).

86788545 is a wasteful number, since it uses less digits than its factorization.

86788545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251592.

The product of its digits is 2150400, while the sum is 51.

The square root of 86788545 is about 9316.0369793169. The cubic root of 86788545 is about 442.7454796765.

The spelling of 86788545 in words is "eighty-six million, seven hundred eighty-eight thousand, five hundred forty-five".