69088420997172 has 36 divisors (see below), whose sum is σ = 174671773444896. Its totient is φ = 23025306877200.

The previous prime is 69088420997161. The next prime is 69088420997177. The reversal of 69088420997172 is 27179902488096.

69088420997172 is a `hidden beast` number, since 6 + 90 + 8 + 84 + 209 + 97 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 69088420997172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69088420997177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173414454 + ... + 173812397.

Almost surely, 2^{69088420997172} is an apocalyptic number.

It is an amenable number.

69088420997172 is an abundant number, since it is smaller than the sum of its proper divisors (105583352447724).

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

69088420997172 is a wasteful number, since it uses less digits than its factorization.

69088420997172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347232388 (or 347232383 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 72.

The spelling of 69088420997172 in words is "sixty-nine trillion, eighty-eight billion, four hundred twenty million, nine hundred ninety-seven thousand, one hundred seventy-two".