86879512 has 8 divisors (see below), whose sum is σ = 162899100. Its totient is φ = 43439752.

The previous prime is 86879501. The next prime is 86879519. The reversal of 86879512 is 21597868.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86879519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5429962 + ... + 5429977.

Almost surely, 2^86879512 is an apocalyptic number.

It is an amenable number.

86879512 is a deficient number, since it is larger than the sum of its proper divisors (76019588).

86879512 is a wasteful number, since it uses less digits than its factorization.

86879512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859945 (or 10859941 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 86879512 is about 9320.9179805425. The cubic root of 86879512 is about 442.9001128515.

The spelling of 86879512 in words is "eighty-six million, eight hundred seventy-nine thousand, five hundred twelve".