86672508 has 24 divisors (see below), whose sum is σ = 217792848. Its totient is φ = 26668416.

The previous prime is 86672449. The next prime is 86672513. The reversal of 86672508 is 80527668.

It is a self number, because there is not a number n which added to its sum of digits gives 86672508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277641 + ... + 277952.

It is an arithmetic number, because the mean of its divisors is an integer number (9074702).

Almost surely, 2^86672508 is an apocalyptic number.

It is an amenable number.

86672508 is an abundant number, since it is smaller than the sum of its proper divisors (131120340).

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

86672508 is a wasteful number, since it uses less digits than its factorization.

86672508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555613 (or 555611 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 86672508 is about 9309.8070871528. The cubic root of 86672508 is about 442.5480735539.

It can be divided in two parts, 8667 and 2508, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 86672508 in words is "eighty-six million, six hundred seventy-two thousand, five hundred eight".