86200621 has 4 divisors (see below), whose sum is σ = 92831452. Its totient is φ = 79569792.

The previous prime is 86200601. The next prime is 86200633. The reversal of 86200621 is 12600268.

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 27678121 + 58522500 = 5261^2 + 7650^2 .

It is a cyclic number.

It is not a de Polignac number, because 86200621 - 2⁵ = 86200589 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 (86200601) 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, 3315396 + ... + 3315421.

It is an arithmetic number, because the mean of its divisors is an integer number (23207863).

Almost surely, 2^86200621 is an apocalyptic number.

It is an amenable number.

86200621 is a deficient number, since it is larger than the sum of its proper divisors (6630831).

86200621 is a wasteful number, since it uses less digits than its factorization.

86200621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630830.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 86200621 is about 9284.4289538991. The cubic root of 86200621 is about 441.7434630591.

Adding to 86200621 its reverse (12600268), we get a palindrome (98800889).

The spelling of 86200621 in words is "eighty-six million, two hundred thousand, six hundred twenty-one".