68477077486 has 16 divisors (see below), whose sum is σ = 106282970640. Its totient is φ = 33049985920.

The previous prime is 68477077481. The next prime is 68477077489.

68477077486 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68477077486² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68477077481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106785 + ... + 385171.

It is an arithmetic number, because the mean of its divisors is an integer number (6642685665).

Almost surely, 2^68477077486 is an apocalyptic number.

68477077486 is a deficient number, since it is larger than the sum of its proper divisors (37805893154).

68477077486 is a wasteful number, since it uses less digits than its factorization.

68477077486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282659.

The product of its (nonzero) digits is 88510464, while the sum is 64.

The spelling of 68477077486 in words is "sixty-eight billion, four hundred seventy-seven million, seventy-seven thousand, four hundred eighty-six".