863032368385 has 64 divisors (see below), whose sum is σ = 1228734904320. Its totient is φ = 574799662080.

The previous prime is 863032368353. The next prime is 863032368397. The reversal of 863032368385 is 583863230368.

It is a happy number.

It is not a de Polignac number, because 863032368385 - 2⁵ = 863032368353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10533106 + ... + 10614724.

It is an arithmetic number, because the mean of its divisors is an integer number (19198982880).

Almost surely, 2^863032368385 is an apocalyptic number.

863032368385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

863032368385 is a deficient number, since it is larger than the sum of its proper divisors (365702535935).

863032368385 is a wasteful number, since it uses less digits than its factorization.

863032368385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81958.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 863032368385 in words is "eight hundred sixty-three billion, thirty-two million, three hundred sixty-eight thousand, three hundred eighty-five".