68954983772 has 24 divisors (see below), whose sum is σ = 127778639184. Its totient is φ = 32447090432.

The previous prime is 68954983763. The next prime is 68954983777. The reversal of 68954983772 is 27738945986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68954983777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267883 + ... + 1321149.

It is an arithmetic number, because the mean of its divisors is an integer number (5324109966).

Almost surely, 2^68954983772 is an apocalyptic number.

It is an amenable number.

68954983772 is a deficient number, since it is larger than the sum of its proper divisors (58823655412).

68954983772 is a wasteful number, since it uses less digits than its factorization.

68954983772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72325 (or 72323 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 68.

The spelling of 68954983772 in words is "sixty-eight billion, nine hundred fifty-four million, nine hundred eighty-three thousand, seven hundred seventy-two".