68380620852 has 12 divisors (see below), whose sum is σ = 159554782016. Its totient is φ = 22793540280.

The previous prime is 68380620851. The next prime is 68380620859. The reversal of 68380620852 is 25802608386.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68380620851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849192524 + ... + 2849192547.

Almost surely, 2^68380620852 is an apocalyptic number.

It is an amenable number.

68380620852 is an abundant number, since it is smaller than the sum of its proper divisors (91174161164).

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

68380620852 is a wasteful number, since it uses less digits than its factorization.

68380620852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698385078 (or 5698385076 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 68380620852 in words is "sixty-eight billion, three hundred eighty million, six hundred twenty thousand, eight hundred fifty-two".