86649480 has 64 divisors (see below), whose sum is σ = 288835200. Its totient is φ = 23106240.

The previous prime is 86649461. The next prime is 86649503. The reversal of 86649480 is 8494668.

It is a happy number.

86649480 is a `hidden beast` number, since 86 + 6 + 494 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39036 + ... + 41195.

It is an arithmetic number, because the mean of its divisors is an integer number (4513050).

Almost surely, 2^86649480 is an apocalyptic number.

It is an amenable number.

86649480 is an abundant number, since it is smaller than the sum of its proper divisors (202185720).

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

86649480 is a wasteful number, since it uses less digits than its factorization.

86649480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80251 (or 80241 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 86649480 is about 9308.5702446724. The cubic root of 86649480 is about 442.5088765815.

The spelling of 86649480 in words is "eighty-six million, six hundred forty-nine thousand, four hundred eighty".