86154087 has 4 divisors (see below), whose sum is σ = 114872120. Its totient is φ = 57436056.

The previous prime is 86154077. The next prime is 86154091. The reversal of 86154087 is 78045168.

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

It is not a de Polignac number, because 86154087 - 2⁴ = 86154071 is a prime.

It is a super-3 number, since 3×86154087³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86154017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14359012 + ... + 14359017.

It is an arithmetic number, because the mean of its divisors is an integer number (28718030).

Almost surely, 2^86154087 is an apocalyptic number.

86154087 is a deficient number, since it is larger than the sum of its proper divisors (28718033).

86154087 is a wasteful number, since it uses less digits than its factorization.

86154087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28718032.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 86154087 is about 9281.9225917910. The cubic root of 86154087 is about 441.6639594154.

The spelling of 86154087 in words is "eighty-six million, one hundred fifty-four thousand, eighty-seven".