68452818378 has 16 divisors (see below), whose sum is σ = 156463584960. Its totient is φ = 19557948096.

The previous prime is 68452818367. The next prime is 68452818391. The reversal of 68452818378 is 87381825486.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814914463 + ... + 814914546.

It is an arithmetic number, because the mean of its divisors is an integer number (9778974060).

Almost surely, 2^68452818378 is an apocalyptic number.

68452818378 is an abundant number, since it is smaller than the sum of its proper divisors (88010766582).

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

68452818378 is a wasteful number, since it uses less digits than its factorization.

68452818378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629829021.

The product of its digits is 20643840, while the sum is 60.

The spelling of 68452818378 in words is "sixty-eight billion, four hundred fifty-two million, eight hundred eighteen thousand, three hundred seventy-eight".