86479976 has 32 divisors (see below), whose sum is σ = 178005600. Its totient is φ = 39061440.

The previous prime is 86479973. The next prime is 86479993. The reversal of 86479976 is 67997468.

It is not an unprimeable number, because it can be changed into a prime (86479973) 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, 11330 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (5562675).

Almost surely, 2^86479976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86479976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89002800).

86479976 is an abundant number, since it is smaller than the sum of its proper divisors (91525624).

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

86479976 is a wasteful number, since it uses less digits than its factorization.

86479976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209 (or 6205 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 86479976 is about 9299.4610596529. The cubic root of 86479976 is about 442.2201424483.

The spelling of 86479976 in words is "eighty-six million, four hundred seventy-nine thousand, nine hundred seventy-six".