67888848811 has 16 divisors (see below), whose sum is σ = 78444108288. Its totient is φ = 57549297600.

The previous prime is 67888848773. The next prime is 67888848857. The reversal of 67888848811 is 11884888876.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67888848811 - 2¹¹ = 67888846763 is a prime.

It is a super-2 number, since 2×67888848811² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67888888811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486816 + ... + 610546.

It is an arithmetic number, because the mean of its divisors is an integer number (4902756768).

Almost surely, 2^67888848811 is an apocalyptic number.

67888848811 is a deficient number, since it is larger than the sum of its proper divisors (10555259477).

67888848811 is a wasteful number, since it uses less digits than its factorization.

67888848811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124602.

The product of its digits is 44040192, while the sum is 67.

The spelling of 67888848811 in words is "sixty-seven billion, eight hundred eighty-eight million, eight hundred forty-eight thousand, eight hundred eleven".