86867910 has 32 divisors (see below), whose sum is σ = 231648480. Its totient is φ = 23164704.

The previous prime is 86867903. The next prime is 86867917. The reversal of 86867910 is 1976868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86867903) and next prime (86867917).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86867917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160597 + ... + 161136.

It is an arithmetic number, because the mean of its divisors is an integer number (7239015).

Almost surely, 2^86867910 is an apocalyptic number.

86867910 is an abundant number, since it is smaller than the sum of its proper divisors (144780570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86867910 is a wasteful number, since it uses less digits than its factorization.

86867910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321749 (or 321743 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86867910 is about 9320.2955961708. The cubic root of 86867910 is about 442.8803968266.

The spelling of 86867910 in words is "eighty-six million, eight hundred sixty-seven thousand, nine hundred ten".