67864444086 has 16 divisors (see below), whose sum is σ = 135734490864. Its totient is φ = 22620547584.

The previous prime is 67864444079. The next prime is 67864444103. The reversal of 67864444086 is 68044446876.

It is a super-2 number, since 2×67864444086² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66831 + ... + 374426.

It is an arithmetic number, because the mean of its divisors is an integer number (8483405679).

Almost surely, 2^67864444086 is an apocalyptic number.

67864444086 is an abundant number, since it is smaller than the sum of its proper divisors (67870046778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67864444086 is a wasteful number, since it uses less digits than its factorization.

67864444086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466895.

The product of its (nonzero) digits is 24772608, while the sum is 57.

The spelling of 67864444086 in words is "sixty-seven billion, eight hundred sixty-four million, four hundred forty-four thousand, eighty-six".