86738784 has 48 divisors (see below), whose sum is σ = 248391360. Its totient is φ = 26284160.

The previous prime is 86738753. The next prime is 86738789. The reversal of 86738784 is 48783768.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86738789) 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, 40014 + ... + 42125.

It is an arithmetic number, because the mean of its divisors is an integer number (5174820).

Almost surely, 2^86738784 is an apocalyptic number.

It is an amenable number.

86738784 is an abundant number, since it is smaller than the sum of its proper divisors (161652576).

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

86738784 is a wasteful number, since it uses less digits than its factorization.

86738784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82163 (or 82155 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 86738784 is about 9313.3658792082. The cubic root of 86738784 is about 442.6608461195.

The spelling of 86738784 in words is "eighty-six million, seven hundred thirty-eight thousand, seven hundred eighty-four".