68078095456989 has 32 divisors (see below), whose sum is σ = 97353637948800. Its totient is φ = 42184290620160.

The previous prime is 68078095456967. The next prime is 68078095456993. The reversal of 68078095456989 is 98965459087086.

It is a happy number.

It is not a de Polignac number, because 68078095456989 - 2¹⁵ = 68078095424221 is a prime.

It is a super-2 number, since 2×68078095456989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68078095406989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118926147 + ... + 119497215.

It is an arithmetic number, because the mean of its divisors is an integer number (3042301185900).

Almost surely, 2^{68078095456989} is an apocalyptic number.

It is an amenable number.

68078095456989 is a deficient number, since it is larger than the sum of its proper divisors (29275542491811).

68078095456989 is a wasteful number, since it uses less digits than its factorization.

68078095456989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610605.

The product of its (nonzero) digits is 9405849600, while the sum is 84.

The spelling of 68078095456989 in words is "sixty-eight trillion, seventy-eight billion, ninety-five million, four hundred fifty-six thousand, nine hundred eighty-nine".