86678190 has 96 divisors (see below), whose sum is σ = 239410080. Its totient is φ = 21696768.

The previous prime is 86678173. The next prime is 86678203. The reversal of 86678190 is 9187668.

It is a happy number.

It is a super-2 number, since 2×86678190² = 15026217243352200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295684 + ... + 295976.

It is an arithmetic number, because the mean of its divisors is an integer number (2493855).

Almost surely, 2^86678190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86678190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119705040).

86678190 is an abundant number, since it is smaller than the sum of its proper divisors (152731890).

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

86678190 is a wasteful number, since it uses less digits than its factorization.

86678190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

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

The square root of 86678190 is about 9310.1122442213. The cubic root of 86678190 is about 442.5577440683.

It can be divided in two parts, 86678 and 190, that added together give a palindrome (86868).

The spelling of 86678190 in words is "eighty-six million, six hundred seventy-eight thousand, one hundred ninety".