86728535 has 8 divisors (see below), whose sum is σ = 104834736. Its totient is φ = 68875840.

The previous prime is 86728501. The next prime is 86728547. The reversal of 86728535 is 53582768.

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

It is not a de Polignac number, because 86728535 - 2¹² = 86724439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62621 + ... + 63990.

It is an arithmetic number, because the mean of its divisors is an integer number (13104342).

Almost surely, 2^86728535 is an apocalyptic number.

86728535 is a deficient number, since it is larger than the sum of its proper divisors (18106201).

86728535 is a wasteful number, since it uses less digits than its factorization.

86728535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126753.

The product of its digits is 403200, while the sum is 44.

The square root of 86728535 is about 9312.8156322350. The cubic root of 86728535 is about 442.6434105906.

The spelling of 86728535 in words is "eighty-six million, seven hundred twenty-eight thousand, five hundred thirty-five".