677172221762 has 16 divisors (see below), whose sum is σ = 1030948737120. Its totient is φ = 333522935328.

The previous prime is 677172221711. The next prime is 677172221779. The reversal of 677172221762 is 267122271776.

It is a self number, because there is not a number n which added to its sum of digits gives 677172221762.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7460093 + ... + 7550319.

It is an arithmetic number, because the mean of its divisors is an integer number (64434296070).

Almost surely, 2^677172221762 is an apocalyptic number.

677172221762 is a deficient number, since it is larger than the sum of its proper divisors (353776515358).

677172221762 is a wasteful number, since it uses less digits than its factorization.

677172221762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146305.

The product of its digits is 1382976, while the sum is 50.

The spelling of 677172221762 in words is "six hundred seventy-seven billion, one hundred seventy-two million, two hundred twenty-one thousand, seven hundred sixty-two".