86947504 has 20 divisors (see below), whose sum is σ = 192526864. Its totient is φ = 37263168.

The previous prime is 86947501. The next prime is 86947517. The reversal of 86947504 is 40574968.

It is not an unprimeable number, because it can be changed into a prime (86947501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388047 + ... + 388270.

Almost surely, 2^86947504 is an apocalyptic number.

It is an amenable number.

86947504 is an abundant number, since it is smaller than the sum of its proper divisors (105579360).

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

86947504 is a wasteful number, since it uses less digits than its factorization.

86947504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776332 (or 776326 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 86947504 is about 9324.5645474735. The cubic root of 86947504 is about 443.0156207602.

The spelling of 86947504 in words is "eighty-six million, nine hundred forty-seven thousand, five hundred four".