86487479 has 8 divisors (see below), whose sum is σ = 93213120. Its totient is φ = 79772256.

The previous prime is 86487469. The next prime is 86487481. The reversal of 86487479 is 97478468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86487479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86487479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86487469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28277 + ... + 31185.

It is an arithmetic number, because the mean of its divisors is an integer number (11651640).

Almost surely, 2^86487479 is an apocalyptic number.

86487479 is a deficient number, since it is larger than the sum of its proper divisors (6725641).

86487479 is a wasteful number, since it uses less digits than its factorization.

86487479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209.

The product of its digits is 2709504, while the sum is 53.

The square root of 86487479 is about 9299.8644613779. The cubic root of 86487479 is about 442.2329310803.

The spelling of 86487479 in words is "eighty-six million, four hundred eighty-seven thousand, four hundred seventy-nine".