677745851100 has 72 divisors (see below), whose sum is σ = 1961503705728. Its totient is φ = 180680702400.

The previous prime is 677745851089. The next prime is 677745851161. The reversal of 677745851100 is 1158547776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737835 + ... + 1378365.

It is an arithmetic number, because the mean of its divisors is an integer number (27243107024).

Almost surely, 2^677745851100 is an apocalyptic number.

677745851100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677745851100 is an abundant number, since it is smaller than the sum of its proper divisors (1283757854628).

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

677745851100 is a wasteful number, since it uses less digits than its factorization.

677745851100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644075 (or 644068 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 677745851100 in words is "six hundred seventy-seven billion, seven hundred forty-five million, eight hundred fifty-one thousand, one hundred".