677206878740 has 48 divisors (see below), whose sum is σ = 1663094116992. Its totient is φ = 226785557376.

The previous prime is 677206878739. The next prime is 677206878779. The reversal of 677206878740 is 47878602776.

677206878740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×677206878740² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56240399 + ... + 56252438.

It is an arithmetic number, because the mean of its divisors is an integer number (34647794104).

Almost surely, 2^677206878740 is an apocalyptic number.

It is an amenable number.

677206878740 is an abundant number, since it is smaller than the sum of its proper divisors (985887238252).

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

677206878740 is a wasteful number, since it uses less digits than its factorization.

677206878740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112492896 (or 112492894 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 62.

The spelling of 677206878740 in words is "six hundred seventy-seven billion, two hundred six million, eight hundred seventy-eight thousand, seven hundred forty".