67938877696 has 36 divisors (see below), whose sum is σ = 135630028800. Its totient is φ = 33965015552.

The previous prime is 67938877693. The next prime is 67938877723. The reversal of 67938877696 is 69677883976.

It is a super-2 number, since 2×67938877696² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67938877691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937345 + ... + 2960383.

It is an arithmetic number, because the mean of its divisors is an integer number (3767500800).

Almost surely, 2^67938877696 is an apocalyptic number.

It is an amenable number.

67938877696 is a deficient number, since it is larger than the sum of its proper divisors (67691151104).

67938877696 is a wasteful number, since it uses less digits than its factorization.

67938877696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34574 (or 34560 counting only the distinct ones).

The product of its digits is 1152216576, while the sum is 76.

The spelling of 67938877696 in words is "sixty-seven billion, nine hundred thirty-eight million, eight hundred seventy-seven thousand, six hundred ninety-six".