677455037556 has 24 divisors (see below), whose sum is σ = 1724431005024. Its totient is φ = 205289405280.

The previous prime is 677455037551. The next prime is 677455037561. The reversal of 677455037556 is 655730554776.

It is an interprime number because it is at equal distance from previous prime (677455037551) and next prime (677455037561).

It is a self number, because there is not a number n which added to its sum of digits gives 677455037556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677455037551) 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, 2566117435 + ... + 2566117698.

It is an arithmetic number, because the mean of its divisors is an integer number (71851291876).

Almost surely, 2^677455037556 is an apocalyptic number.

677455037556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

677455037556 is an abundant number, since it is smaller than the sum of its proper divisors (1046975967468).

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

677455037556 is a wasteful number, since it uses less digits than its factorization.

677455037556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132235151 (or 5132235149 counting only the distinct ones).

The product of its (nonzero) digits is 92610000, while the sum is 60.

The spelling of 677455037556 in words is "six hundred seventy-seven billion, four hundred fifty-five million, thirty-seven thousand, five hundred fifty-six".