68977938 has 8 divisors (see below), whose sum is σ = 137955888. Its totient is φ = 22992644.

The previous prime is 68977933. The next prime is 68977973. The reversal of 68977938 is 83977986.

It is a sphenic number, since it is the product of 3 distinct primes.

68977938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68977933) 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, 5748156 + ... + 5748167.

It is an arithmetic number, because the mean of its divisors is an integer number (17244486).

Almost surely, 2^68977938 is an apocalyptic number.

68977938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68977938 is a wasteful number, since it uses less digits than its factorization.

68977938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496328.

The product of its digits is 4572288, while the sum is 57.

The square root of 68977938 is about 8305.2957804042. The cubic root of 68977938 is about 410.1128739395.

The spelling of 68977938 in words is "sixty-eight million, nine hundred seventy-seven thousand, nine hundred thirty-eight".