67508872956 has 168 divisors, whose sum is σ = 203355500544. Its totient is φ = 19200460320.

The previous prime is 67508872943. The next prime is 67508872961. The reversal of 67508872956 is 65927880576.

67508872956 is a `hidden beast` number, since 6 + 7 + 508 + 8 + 72 + 9 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 67508872893 and 67508872902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4544461 + ... + 4559291.

It is an arithmetic number, because the mean of its divisors is an integer number (1210449408).

Almost surely, 2^67508872956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67508872956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101677750272).

67508872956 is an abundant number, since it is smaller than the sum of its proper divisors (135846627588).

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

67508872956 is a wasteful number, since it uses less digits than its factorization.

67508872956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15083 (or 15066 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 67508872956 in words is "sixty-seven billion, five hundred eight million, eight hundred seventy-two thousand, nine hundred fifty-six".