68526378496 has 40 divisors (see below), whose sum is σ = 137413492920. Its totient is φ = 34139424768.

The previous prime is 68526378493. The next prime is 68526378499. The reversal of 68526378496 is 69487362586.

It is an interprime number because it is at equal distance from previous prime (68526378493) and next prime (68526378499).

It is a super-3 number, since 3×68526378496³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68526378493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99766 + ... + 383413.

It is an arithmetic number, because the mean of its divisors is an integer number (3435337323).

Almost surely, 2^68526378496 is an apocalyptic number.

It is an amenable number.

68526378496 is an abundant number, since it is smaller than the sum of its proper divisors (68887114424).

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

68526378496 is an equidigital number, since it uses as much as digits as its factorization.

68526378496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483474 (or 483458 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 64.

The spelling of 68526378496 in words is "sixty-eight billion, five hundred twenty-six million, three hundred seventy-eight thousand, four hundred ninety-six".