677438508152 has 32 divisors (see below), whose sum is σ = 1459254251520. Its totient is φ = 288810728160.

The previous prime is 677438508151. The next prime is 677438508157. The reversal of 677438508152 is 251805834776.

It is a super-3 number, since 3×677438508152³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677438508151) 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, 31657148 + ... + 31678539.

It is an arithmetic number, because the mean of its divisors is an integer number (45601695360).

Almost surely, 2^677438508152 is an apocalyptic number.

It is an amenable number.

677438508152 is an abundant number, since it is smaller than the sum of its proper divisors (781815743368).

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

677438508152 is a wasteful number, since it uses less digits than its factorization.

677438508152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63335891 (or 63335887 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 677438508152 in words is "six hundred seventy-seven billion, four hundred thirty-eight million, five hundred eight thousand, one hundred fifty-two".