677543356554 has 16 divisors (see below), whose sum is σ = 1434797696448. Its totient is φ = 212562621632.

The previous prime is 677543356547. The next prime is 677543356603. The reversal of 677543356554 is 455653345776.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321290862 + ... + 3321291065.

It is an arithmetic number, because the mean of its divisors is an integer number (89674856028).

Almost surely, 2^677543356554 is an apocalyptic number.

677543356554 is an abundant number, since it is smaller than the sum of its proper divisors (757254339894).

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

677543356554 is a wasteful number, since it uses less digits than its factorization.

677543356554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642581949.

The product of its digits is 158760000, while the sum is 60.

The spelling of 677543356554 in words is "six hundred seventy-seven billion, five hundred forty-three million, three hundred fifty-six thousand, five hundred fifty-four".