868146802215 has 64 divisors (see below), whose sum is σ = 1731939950592. Its totient is φ = 360755740800.

The previous prime is 868146802189. The next prime is 868146802217. The reversal of 868146802215 is 512208641868.

It is not a de Polignac number, because 868146802215 - 2⁹ = 868146801703 is a prime.

It is a super-2 number, since 2×868146802215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868146802217) by changing a digit.

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, 16100350 + ... + 16154180.

It is an arithmetic number, because the mean of its divisors is an integer number (27061561728).

Almost surely, 2^868146802215 is an apocalyptic number.

868146802215 is a deficient number, since it is larger than the sum of its proper divisors (863793148377).

868146802215 is a wasteful number, since it uses less digits than its factorization.

868146802215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67820.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 868146802215 in words is "eight hundred sixty-eight billion, one hundred forty-six million, eight hundred two thousand, two hundred fifteen".