86701891 has 8 divisors (see below), whose sum is σ = 87754464. Its totient is φ = 85656000.

The previous prime is 86701877. The next prime is 86701897. The reversal of 86701891 is 19810768.

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 86701891 - 2⁵ = 86701859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86701897) 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, 27391 + ... + 30391.

It is an arithmetic number, because the mean of its divisors is an integer number (10969308).

Almost surely, 2^86701891 is an apocalyptic number.

86701891 is a deficient number, since it is larger than the sum of its proper divisors (1052573).

86701891 is a wasteful number, since it uses less digits than its factorization.

86701891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 86701891 is about 9311.3850205004. The cubic root of 86701891 is about 442.5980775717.

The spelling of 86701891 in words is "eighty-six million, seven hundred one thousand, eight hundred ninety-one".