786644661060 has 36 divisors (see below), whose sum is σ = 2386155472428. Its totient is φ = 209771909568.

The previous prime is 786644661059. The next prime is 786644661071. The reversal of 786644661060 is 60166446687.

It is a happy number.

786644661060 is a `hidden beast` number, since 7 + 86 + 6 + 446 + 61 + 0 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 545636323584 + 241008337476 = 738672^2 + 490926^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 786644660988 and 786644661006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2185123879 + ... + 2185124238.

Almost surely, 2^786644661060 is an apocalyptic number.

It is an amenable number.

786644661060 is an abundant number, since it is smaller than the sum of its proper divisors (1599510811368).

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

786644661060 is a wasteful number, since it uses less digits than its factorization.

786644661060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370248132 (or 4370248127 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 786644661060 in words is "seven hundred eighty-six billion, six hundred forty-four million, six hundred sixty-one thousand, sixty".