67886120628 has 24 divisors (see below), whose sum is σ = 176001053760. Its totient is φ = 22628706840.

The previous prime is 67886120597. The next prime is 67886120647. The reversal of 67886120628 is 82602168876.

67886120628 is a `hidden beast` number, since 6 + 7 + 8 + 8 + 6 + 1 + 2 + 0 + 628 = 666.

It is a super-2 number, since 2×67886120628² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 314287488 + ... + 314287703.

It is an arithmetic number, because the mean of its divisors is an integer number (7333377240).

Almost surely, 2^67886120628 is an apocalyptic number.

It is an amenable number.

67886120628 is an abundant number, since it is smaller than the sum of its proper divisors (108114933132).

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

67886120628 is a wasteful number, since it uses less digits than its factorization.

67886120628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628575204 (or 628575196 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 67886120628 in words is "sixty-seven billion, eight hundred eighty-six million, one hundred twenty thousand, six hundred twenty-eight".