69685987668976 has 160 divisors (see below), whose sum is σ = 160487612579840. Its totient is φ = 28683463392000.

The previous prime is 69685987668967. The next prime is 69685987669003. The reversal of 69685987668976 is 67986678958696.

It is a super-2 number, since 2×69685987668976² (a number of 28 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 31 ways as a sum of consecutive naturals, for example, 1375890085 + ... + 1375940731.

It is an arithmetic number, because the mean of its divisors is an integer number (1003047578624).

Almost surely, 2^{69685987668976} 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 69685987668976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80243806289920).

69685987668976 is an abundant number, since it is smaller than the sum of its proper divisors (90801624910864).

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

69685987668976 is a wasteful number, since it uses less digits than its factorization.

69685987668976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53683 (or 53677 counting only the distinct ones).

The product of its digits is 711082229760, while the sum is 100.

The spelling of 69685987668976 in words is "sixty-nine trillion, six hundred eighty-five billion, nine hundred eighty-seven million, six hundred sixty-eight thousand, nine hundred seventy-six".