86712230 has 24 divisors (see below), whose sum is σ = 171563616. Its totient is φ = 31531280.

The previous prime is 86712221. The next prime is 86712259. The reversal of 86712230 is 3221768.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86712193 and 86712202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34622 + ... + 37041.

It is an arithmetic number, because the mean of its divisors is an integer number (7148484).

Almost surely, 2^86712230 is an apocalyptic number.

86712230 is a deficient number, since it is larger than the sum of its proper divisors (84851386).

86712230 is a wasteful number, since it uses less digits than its factorization.

86712230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71692 (or 71681 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 86712230 is about 9311.9401845158. The cubic root of 86712230 is about 442.6156698048.

Adding to 86712230 its reverse (3221768), we get a palindrome (89933998).

It can be divided in two parts, 8671 and 2230, that added together give a palindrome (10901).

The spelling of 86712230 in words is "eighty-six million, seven hundred twelve thousand, two hundred thirty".