86043749 has 8 divisors (see below), whose sum is σ = 99387648. Its totient is φ = 73620160.

The previous prime is 86043743. The next prime is 86043757. The reversal of 86043749 is 94734068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86043749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86043743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229877 + ... + 230250.

It is an arithmetic number, because the mean of its divisors is an integer number (12423456).

Almost surely, 2^86043749 is an apocalyptic number.

It is an amenable number.

86043749 is a deficient number, since it is larger than the sum of its proper divisors (13343899).

86043749 is a wasteful number, since it uses less digits than its factorization.

86043749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460155.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 86043749 is about 9275.9769835851. The cubic root of 86043749 is about 441.4753317353.

The spelling of 86043749 in words is "eighty-six million, forty-three thousand, seven hundred forty-nine".