86405774 has 16 divisors (see below), whose sum is σ = 159518688. Its totient is φ = 34182432.

The previous prime is 86405743. The next prime is 86405777. The reversal of 86405774 is 47750468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86405777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237197 + ... + 237560.

It is an arithmetic number, because the mean of its divisors is an integer number (9969918).

Almost surely, 2^86405774 is an apocalyptic number.

86405774 is a deficient number, since it is larger than the sum of its proper divisors (73112914).

86405774 is a wasteful number, since it uses less digits than its factorization.

86405774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474779.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 86405774 is about 9295.4706174567. The cubic root of 86405774 is about 442.0936275795.

The spelling of 86405774 in words is "eighty-six million, four hundred five thousand, seven hundred seventy-four".