68977395306 has 48 divisors (see below), whose sum is σ = 150642754080. Its totient is φ = 22809379680.

The previous prime is 68977395271. The next prime is 68977395359. The reversal of 68977395306 is 60359377986.

68977395306 is a `hidden beast` number, since 6 + 8 + 97 + 7 + 3 + 9 + 530 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3445281 + ... + 3465243.

It is an arithmetic number, because the mean of its divisors is an integer number (3138390710).

Almost surely, 2^68977395306 is an apocalyptic number.

68977395306 is an abundant number, since it is smaller than the sum of its proper divisors (81665358774).

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

68977395306 is a wasteful number, since it uses less digits than its factorization.

68977395306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 68977395306 in words is "sixty-eight billion, nine hundred seventy-seven million, three hundred ninety-five thousand, three hundred six".