1676787645780 has 96 divisors (see below), whose sum is σ = 5617955212800. Its totient is φ = 412747726464.

The previous prime is 1676787645769. The next prime is 1676787645791. The reversal of 1676787645780 is 875467876761.

1676787645780 is a `hidden beast` number, since 16 + 7 + 6 + 7 + 87 + 6 + 457 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1676787645769) and next prime (1676787645791).

It is a junction number, because it is equal to n+sod(n) for n = 1676787645699 and 1676787645708.

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, 119422300 + ... + 119436339.

It is an arithmetic number, because the mean of its divisors is an integer number (58520366800).

Almost surely, 2^{1676787645780} is an apocalyptic number.

1676787645780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676787645780 is an abundant number, since it is smaller than the sum of its proper divisors (3941167567020).

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

1676787645780 is a wasteful number, since it uses less digits than its factorization.

1676787645780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238858670 (or 238858662 counting only the distinct ones).

The product of its (nonzero) digits is 663828480, while the sum is 72.

The spelling of 1676787645780 in words is "one trillion, six hundred seventy-six billion, seven hundred eighty-seven million, six hundred forty-five thousand, seven hundred eighty".