86759421 has 16 divisors (see below), whose sum is σ = 136470528. Its totient is φ = 47977200.

The previous prime is 86759417. The next prime is 86759429. The reversal of 86759421 is 12495768.

It is not a de Polignac number, because 86759421 - 2² = 86759417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86759429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65985 + ... + 67286.

It is an arithmetic number, because the mean of its divisors is an integer number (8529408).

Almost surely, 2^86759421 is an apocalyptic number.

It is an amenable number.

86759421 is a deficient number, since it is larger than the sum of its proper divisors (49711107).

86759421 is a wasteful number, since it uses less digits than its factorization.

86759421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133312.

The product of its digits is 120960, while the sum is 42.

The square root of 86759421 is about 9314.4737371469. The cubic root of 86759421 is about 442.6959494765.

The spelling of 86759421 in words is "eighty-six million, seven hundred fifty-nine thousand, four hundred twenty-one".