68977069 has 8 divisors (see below), whose sum is σ = 82258560. Its totient is φ = 56552496.

The previous prime is 68977063. The next prime is 68977093. The reversal of 68977069 is 96077986.

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

It is not a de Polignac number, because 68977069 - 2¹⁹ = 68452781 is a prime.

It is a super-2 number, since 2×68977069² = 9515672095661522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68977063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214054 + ... + 214375.

It is an arithmetic number, because the mean of its divisors is an integer number (10282320).

Almost surely, 2^68977069 is an apocalyptic number.

It is an amenable number.

68977069 is a deficient number, since it is larger than the sum of its proper divisors (13281491).

68977069 is a wasteful number, since it uses less digits than its factorization.

68977069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428459.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 68977069 is about 8305.2434642219. The cubic root of 68977069 is about 410.1111517001. Note that the first 4 decimals are identical.

The spelling of 68977069 in words is "sixty-eight million, nine hundred seventy-seven thousand, sixty-nine".