69538855680 has 324 divisors, whose sum is σ = 279880643952. Its totient is φ = 15894466560.

The previous prime is 69538855679. The next prime is 69538855681. The reversal of 69538855680 is 8655883596.

69538855680 is a `hidden beast` number, since 69 + 5 + 3 + 8 + 8 + 5 + 568 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (69538855679) and next prime (69538855681).

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

It is not an unprimeable number, because it can be changed into a prime (69538855681) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 502885 + ... + 626075.

It is an arithmetic number, because the mean of its divisors is an integer number (863829148).

Almost surely, 2^69538855680 is an apocalyptic number.

69538855680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69538855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139940321976).

69538855680 is an abundant number, since it is smaller than the sum of its proper divisors (210341788272).

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

69538855680 is a wasteful number, since it uses less digits than its factorization.

69538855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123232 (or 123208 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 63.

The spelling of 69538855680 in words is "sixty-nine billion, five hundred thirty-eight million, eight hundred fifty-five thousand, six hundred eighty".