86755555 has 4 divisors (see below), whose sum is σ = 104106672. Its totient is φ = 69404440.

The previous prime is 86755523. The next prime is 86755567. The reversal of 86755555 is 55555768.

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

It is not a de Polignac number, because 86755555 - 2⁵ = 86755523 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, 8675551 + ... + 8675560.

It is an arithmetic number, because the mean of its divisors is an integer number (26026668).

Almost surely, 2^86755555 is an apocalyptic number.

86755555 is a deficient number, since it is larger than the sum of its proper divisors (17351117).

86755555 is a wasteful number, since it uses less digits than its factorization.

86755555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17351116.

The product of its digits is 1050000, while the sum is 46.

The square root of 86755555 is about 9314.2662083494. The cubic root of 86755555 is about 442.6893738679.

The spelling of 86755555 in words is "eighty-six million, seven hundred fifty-five thousand, five hundred fifty-five".