86195854 has 4 divisors (see below), whose sum is σ = 129293784. Its totient is φ = 43097926.

The previous prime is 86195833. The next prime is 86195869. The reversal of 86195854 is 45859168.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21548962 + ... + 21548965.

It is an arithmetic number, because the mean of its divisors is an integer number (32323446).

Almost surely, 2^86195854 is an apocalyptic number.

86195854 is a deficient number, since it is larger than the sum of its proper divisors (43097930).

86195854 is a wasteful number, since it uses less digits than its factorization.

86195854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43097929.

The product of its digits is 345600, while the sum is 46.

The square root of 86195854 is about 9284.1722301991. The cubic root of 86195854 is about 441.7353199240.

The spelling of 86195854 in words is "eighty-six million, one hundred ninety-five thousand, eight hundred fifty-four".