86105798 has 4 divisors (see below), whose sum is σ = 129158700. Its totient is φ = 43052898.

The previous prime is 86105797. The next prime is 86105807. The reversal of 86105798 is 89750168.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86105797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21526448 + ... + 21526451.

It is an arithmetic number, because the mean of its divisors is an integer number (32289675).

Almost surely, 2^86105798 is an apocalyptic number.

86105798 is a deficient number, since it is larger than the sum of its proper divisors (43052902).

86105798 is a wasteful number, since it uses less digits than its factorization.

86105798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43052901.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 86105798 is about 9279.3209880896. The cubic root of 86105798 is about 441.5814270691.

The spelling of 86105798 in words is "eighty-six million, one hundred five thousand, seven hundred ninety-eight".