86799929 has 16 divisors (see below), whose sum is σ = 93899520. Its totient is φ = 80062080.

The previous prime is 86799917. The next prime is 86799941. The reversal of 86799929 is 92999768.

It is an interprime number because it is at equal distance from previous prime (86799917) and next prime (86799941).

It is a cyclic number.

It is not a de Polignac number, because 86799929 - 2⁴ = 86799913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86799949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57869 + ... + 59349.

It is an arithmetic number, because the mean of its divisors is an integer number (5868720).

Almost surely, 2^86799929 is an apocalyptic number.

It is an amenable number.

86799929 is a deficient number, since it is larger than the sum of its proper divisors (7099591).

86799929 is a wasteful number, since it uses less digits than its factorization.

86799929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its digits is 4408992, while the sum is 59.

The square root of 86799929 is about 9316.6479486991. The cubic root of 86799929 is about 442.7648370474.

The spelling of 86799929 in words is "eighty-six million, seven hundred ninety-nine thousand, nine hundred twenty-nine".