86781048 has 32 divisors (see below), whose sum is σ = 217233360. Its totient is φ = 28889600.

The previous prime is 86781043. The next prime is 86781067. The reversal of 86781048 is 84018768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86781043) 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, 21598 + ... + 25298.

Almost surely, 2^86781048 is an apocalyptic number.

It is an amenable number.

86781048 is an abundant number, since it is smaller than the sum of its proper divisors (130452312).

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

86781048 is a wasteful number, since it uses less digits than its factorization.

86781048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 86781048 is about 9315.6345999615. The cubic root of 86781048 is about 442.7327308418.

The spelling of 86781048 in words is "eighty-six million, seven hundred eighty-one thousand, forty-eight".