868322140562 has 18 divisors (see below), whose sum is σ = 1349004529119. Its totient is φ = 419171549440.

The previous prime is 868322140537. The next prime is 868322140573. The reversal of 868322140562 is 265041223868.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 363356989681 + 504965150881 = 602791^2 + 710609^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=658909.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38205362 + ... + 38228082.

Almost surely, 2^868322140562 is an apocalyptic number.

868322140562 is a deficient number, since it is larger than the sum of its proper divisors (480682388557).

868322140562 is an frugal number, since it uses more digits than its factorization.

868322140562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45502 (or 22752 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 868322140562 in words is "eight hundred sixty-eight billion, three hundred twenty-two million, one hundred forty thousand, five hundred sixty-two".