677965776390 has 64 divisors (see below), whose sum is σ = 2066181419520. Its totient is φ = 154963605600.

The previous prime is 677965776373. The next prime is 677965776403. The reversal of 677965776390 is 93677569776.

677965776390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179354136 + ... + 179357915.

It is an arithmetic number, because the mean of its divisors is an integer number (32284084680).

Almost surely, 2^677965776390 is an apocalyptic number.

677965776390 is an abundant number, since it is smaller than the sum of its proper divisors (1388215643130).

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

677965776390 is a wasteful number, since it uses less digits than its factorization.

677965776390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358712074 (or 358712068 counting only the distinct ones).

The product of its (nonzero) digits is 630118440, while the sum is 72.

The spelling of 677965776390 in words is "six hundred seventy-seven billion, nine hundred sixty-five million, seven hundred seventy-six thousand, three hundred ninety".