2077147656 has 48 divisors (see below), whose sum is σ = 5645971500. Its totient is φ = 689876352.

The previous prime is 2077147627. The next prime is 2077147673. The reversal of 2077147656 is 6567417702.

It can be written as a sum of positive squares in 2 ways, for example, as 2073345156 + 3802500 = 45534^2 + 1950^2 .

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, 32131 + ... + 72018.

Almost surely, 2^2077147656 is an apocalyptic number.

It is an amenable number.

2077147656 is an abundant number, since it is smaller than the sum of its proper divisors (3568823844).

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

2077147656 is a wasteful number, since it uses less digits than its factorization.

2077147656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104438 (or 104431 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 2077147656 is about 45575.7353862776. The cubic root of 2077147656 is about 1275.9170961228.

The spelling of 2077147656 in words is "two billion, seventy-seven million, one hundred forty-seven thousand, six hundred fifty-six".