86600797 has 4 divisors (see below), whose sum is σ = 86667676. Its totient is φ = 86533920.

The previous prime is 86600791. The next prime is 86600809. The reversal of 86600797 is 79700668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 14333796 = 8501^2 + 3786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86600797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86600791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31458 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (21666919).

Almost surely, 2^86600797 is an apocalyptic number.

It is an amenable number.

86600797 is a deficient number, since it is larger than the sum of its proper divisors (66879).

86600797 is a wasteful number, since it uses less digits than its factorization.

86600797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66878.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 86600797 is about 9305.9549214468. The cubic root of 86600797 is about 442.4259882387.

The spelling of 86600797 in words is "eighty-six million, six hundred thousand, seven hundred ninety-seven".