86739405 has 8 divisors (see below), whose sum is σ = 138783072. Its totient is φ = 46261008.

The previous prime is 86739391. The next prime is 86739421. The reversal of 86739405 is 50493768.

It is a happy number.

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

It is not a de Polignac number, because 86739405 - 2⁹ = 86738893 is a prime.

It is a congruent 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, 2891299 + ... + 2891328.

It is an arithmetic number, because the mean of its divisors is an integer number (17347884).

Almost surely, 2^86739405 is an apocalyptic number.

It is an amenable number.

86739405 is a deficient number, since it is larger than the sum of its proper divisors (52043667).

86739405 is a wasteful number, since it uses less digits than its factorization.

86739405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782635.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 86739405 is about 9313.3992183305. The cubic root of 86739405 is about 442.6619025163.

The spelling of 86739405 in words is "eighty-six million, seven hundred thirty-nine thousand, four hundred five".