86871776 has 12 divisors (see below), whose sum is σ = 171028872. Its totient is φ = 43435872.

The previous prime is 86871773. The next prime is 86871821. The reversal of 86871776 is 67717868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86871773) 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 as a sum of consecutive naturals, namely, 1357340 + ... + 1357403.

It is an arithmetic number, because the mean of its divisors is an integer number (14252406).

Almost surely, 2^86871776 is an apocalyptic number.

It is an amenable number.

86871776 is a deficient number, since it is larger than the sum of its proper divisors (84157096).

86871776 is a wasteful number, since it uses less digits than its factorization.

86871776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714753 (or 2714745 counting only the distinct ones).

The product of its digits is 790272, while the sum is 50.

The square root of 86871776 is about 9320.5029907189. The cubic root of 86871776 is about 442.8869667641.

The spelling of 86871776 in words is "eighty-six million, eight hundred seventy-one thousand, seven hundred seventy-six".