86155776 has 120 divisors (see below), whose sum is σ = 284279424. Its totient is φ = 24606720.

The previous prime is 86155757. The next prime is 86155777. The reversal of 86155776 is 67755168.

It is not an unprimeable number, because it can be changed into a prime (86155777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30921 + ... + 33591.

Almost surely, 2^86155776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86155776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142139712).

86155776 is an abundant number, since it is smaller than the sum of its proper divisors (198123648).

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

86155776 is a wasteful number, since it uses less digits than its factorization.

86155776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2683 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 86155776 is about 9282.0135746507. The cubic root of 86155776 is about 441.6668455836. Note that the first 3 decimals are identical.

The spelling of 86155776 in words is "eighty-six million, one hundred fifty-five thousand, seven hundred seventy-six".