677551580463 has 4 divisors (see below), whose sum is σ = 903402107288. Its totient is φ = 451701053640.

The previous prime is 677551580411. The next prime is 677551580477. The reversal of 677551580463 is 364085155776.

677551580463 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 677551580463 - 2⁸ = 677551580207 is a prime.

It is a super-2 number, since 2×677551580463² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677551580483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112925263408 + ... + 112925263413.

It is an arithmetic number, because the mean of its divisors is an integer number (225850526822).

Almost surely, 2^677551580463 is an apocalyptic number.

677551580463 is a deficient number, since it is larger than the sum of its proper divisors (225850526825).

677551580463 is a wasteful number, since it uses less digits than its factorization.

677551580463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225850526824.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 677551580463 in words is "six hundred seventy-seven billion, five hundred fifty-one million, five hundred eighty thousand, four hundred sixty-three".