86039805 has 16 divisors (see below), whose sum is σ = 145761984. Its totient is φ = 43188480.

The previous prime is 86039797. The next prime is 86039813. The reversal of 86039805 is 50893068.

It is an interprime number because it is at equal distance from previous prime (86039797) and next prime (86039813).

It is not a de Polignac number, because 86039805 - 2³ = 86039797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168451 + ... + 168960.

It is an arithmetic number, because the mean of its divisors is an integer number (9110124).

Almost surely, 2^86039805 is an apocalyptic number.

86039805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86039805 is a deficient number, since it is larger than the sum of its proper divisors (59722179).

86039805 is a wasteful number, since it uses less digits than its factorization.

86039805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337436.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 86039805 is about 9275.7643889870. The cubic root of 86039805 is about 441.4685863090.

The spelling of 86039805 in words is "eighty-six million, thirty-nine thousand, eight hundred five".