69827809268 has 36 divisors (see below), whose sum is σ = 147051186660. Its totient is φ = 28894263552.

The previous prime is 69827809253. The next prime is 69827809333. The reversal of 69827809268 is 86290872896.

It can be written as a sum of positive squares in 2 ways, for example, as 50157185764 + 19670623504 = 223958^2 + 140252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6136805 + ... + 6148172.

It is an arithmetic number, because the mean of its divisors is an integer number (4084755185).

Almost surely, 2^69827809268 is an apocalyptic number.

It is an amenable number.

69827809268 is an abundant number, since it is smaller than the sum of its proper divisors (77223377392).

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

69827809268 is a wasteful number, since it uses less digits than its factorization.

69827809268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285024 (or 12285015 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 69827809268 in words is "sixty-nine billion, eight hundred twenty-seven million, eight hundred nine thousand, two hundred sixty-eight".