86423785 has 8 divisors (see below), whose sum is σ = 118524096. Its totient is φ = 59262000.

The previous prime is 86423759. The next prime is 86423803. The reversal of 86423785 is 58732468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86423785 - 2⁷ = 86423657 is a prime.

It is a super-2 number, since 2×86423785² = 14938141227452450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234591 + ... + 1234660.

It is an arithmetic number, because the mean of its divisors is an integer number (14815512).

Almost surely, 2^86423785 is an apocalyptic number.

It is an amenable number.

86423785 is a deficient number, since it is larger than the sum of its proper divisors (32100311).

86423785 is a wasteful number, since it uses less digits than its factorization.

86423785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469263.

The product of its digits is 322560, while the sum is 43.

The square root of 86423785 is about 9296.4393721467. The cubic root of 86423785 is about 442.1243431006.

It can be divided in two parts, 864 and 23785, that added together give a square (24649 = 157²).

The spelling of 86423785 in words is "eighty-six million, four hundred twenty-three thousand, seven hundred eighty-five".