68804885506 has 32 divisors (see below), whose sum is σ = 118720465920. Its totient is φ = 29295640656.

The previous prime is 68804885467. The next prime is 68804885507. The reversal of 68804885506 is 60558840886.

It is a super-2 number, since 2×68804885506² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68804885507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003235 + ... + 9010873.

It is an arithmetic number, because the mean of its divisors is an integer number (3710014560).

Almost surely, 2^68804885506 is an apocalyptic number.

68804885506 is a deficient number, since it is larger than the sum of its proper divisors (49915580414).

68804885506 is a wasteful number, since it uses less digits than its factorization.

68804885506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758.

The product of its (nonzero) digits is 14745600, while the sum is 58.

The spelling of 68804885506 in words is "sixty-eight billion, eight hundred four million, eight hundred eighty-five thousand, five hundred six".