86312998 has 4 divisors (see below), whose sum is σ = 129469500. Its totient is φ = 43156498.

The previous prime is 86312977. The next prime is 86313013. The reversal of 86312998 is 89921368.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21578248 + ... + 21578251.

It is an arithmetic number, because the mean of its divisors is an integer number (32367375).

Almost surely, 2^86312998 is an apocalyptic number.

86312998 is a deficient number, since it is larger than the sum of its proper divisors (43156502).

86312998 is a wasteful number, since it uses less digits than its factorization.

86312998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43156501.

The product of its digits is 186624, while the sum is 46.

The square root of 86312998 is about 9290.4788897021. The cubic root of 86312998 is about 441.9353419885.

It can be divided in two parts, 863 and 12998, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 86312998 in words is "eighty-six million, three hundred twelve thousand, nine hundred ninety-eight".