86724007 has 8 divisors (see below), whose sum is σ = 93615840. Its totient is φ = 80092320.

The previous prime is 86723993. The next prime is 86724013. The reversal of 86724007 is 70042768.

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

It is a cyclic number.

It is not a de Polignac number, because 86724007 - 2¹⁵ = 86691239 is a prime.

It is a super-3 number, since 3×86724007³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86724107) 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, 64344 + ... + 65677.

It is an arithmetic number, because the mean of its divisors is an integer number (11701980).

Almost surely, 2^86724007 is an apocalyptic number.

86724007 is a deficient number, since it is larger than the sum of its proper divisors (6891833).

86724007 is a wasteful number, since it uses less digits than its factorization.

86724007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130073.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 86724007 is about 9312.5725232075. The cubic root of 86724007 is about 442.6357071505.

The spelling of 86724007 in words is "eighty-six million, seven hundred twenty-four thousand, seven".