86041878 has 16 divisors (see below), whose sum is σ = 185321136. Its totient is φ = 26474400.

The previous prime is 86041877. The next prime is 86041897. The reversal of 86041878 is 87814068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86041877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551473 + ... + 551628.

It is an arithmetic number, because the mean of its divisors is an integer number (11582571).

Almost surely, 2^86041878 is an apocalyptic number.

86041878 is an abundant number, since it is smaller than the sum of its proper divisors (99279258).

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

86041878 is a wasteful number, since it uses less digits than its factorization.

86041878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103119.

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

The square root of 86041878 is about 9275.8761311264. The cubic root of 86041878 is about 441.4721317882.

The spelling of 86041878 in words is "eighty-six million, forty-one thousand, eight hundred seventy-eight".