86198902 has 4 divisors (see below), whose sum is σ = 129298356. Its totient is φ = 43099450.

The previous prime is 86198881. The next prime is 86198909. The reversal of 86198902 is 20989168.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86198909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21549724 + ... + 21549727.

It is an arithmetic number, because the mean of its divisors is an integer number (32324589).

Almost surely, 2^86198902 is an apocalyptic number.

86198902 is a deficient number, since it is larger than the sum of its proper divisors (43099454).

86198902 is a wasteful number, since it uses less digits than its factorization.

86198902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43099453.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 86198902 is about 9284.3363790849. The cubic root of 86198902 is about 441.7405266454.

The spelling of 86198902 in words is "eighty-six million, one hundred ninety-eight thousand, nine hundred two".