868467601781 has 24 divisors (see below), whose sum is σ = 983823459840. Its totient is φ = 764834955456.

The previous prime is 868467601751. The next prime is 868467601783. The reversal of 868467601781 is 187106764868.

It is not a de Polignac number, because 868467601781 - 2¹⁸ = 868467339637 is a prime.

It is a super-2 number, since 2×868467601781² (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 (868467601783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1224860 + ... + 1799226.

It is an arithmetic number, because the mean of its divisors is an integer number (40992644160).

Almost surely, 2^868467601781 is an apocalyptic number.

It is an amenable number.

868467601781 is a deficient number, since it is larger than the sum of its proper divisors (115355858059).

868467601781 is a wasteful number, since it uses less digits than its factorization.

868467601781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574805 (or 574792 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 868467601781 in words is "eight hundred sixty-eight billion, four hundred sixty-seven million, six hundred one thousand, seven hundred eighty-one".