86155803 has 12 divisors (see below), whose sum is σ = 124570368. Its totient is φ = 57380400.

The previous prime is 86155799. The next prime is 86155837. The reversal of 86155803 is 30855168.

It is not a de Polignac number, because 86155803 - 2² = 86155799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86150803) 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 11 ways as a sum of consecutive naturals, for example, 6201 + ... + 14517.

It is an arithmetic number, because the mean of its divisors is an integer number (10380864).

Almost surely, 2^86155803 is an apocalyptic number.

86155803 is a deficient number, since it is larger than the sum of its proper divisors (38414565).

86155803 is a wasteful number, since it uses less digits than its factorization.

86155803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474 (or 9471 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 86155803 is about 9282.0150290764. The cubic root of 86155803 is about 441.6668917209. Note that the first 3 decimals are identical.

The spelling of 86155803 in words is "eighty-six million, one hundred fifty-five thousand, eight hundred three".