86878374 has 64 divisors (see below), whose sum is σ = 206496000. Its totient is φ = 24071040.

The previous prime is 86878373. The next prime is 86878387. The reversal of 86878374 is 47387868.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86878373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35172 + ... + 37560.

It is an arithmetic number, because the mean of its divisors is an integer number (3226500).

Almost surely, 2^86878374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86878374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103248000).

86878374 is an abundant number, since it is smaller than the sum of its proper divisors (119617626).

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

86878374 is a wasteful number, since it uses less digits than its factorization.

86878374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

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

The square root of 86878374 is about 9320.8569348531. The cubic root of 86878374 is about 442.8981790525.

The spelling of 86878374 in words is "eighty-six million, eight hundred seventy-eight thousand, three hundred seventy-four".