3557776307656 has 16 divisors (see below), whose sum is σ = 6812763143040. Its totient is φ = 1741039469520.

The previous prime is 3557776307639. The next prime is 3557776307663. The reversal of 3557776307656 is 6567036777553.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3557776307591 and 3557776307600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731085140 + ... + 4731085891.

It is an arithmetic number, because the mean of its divisors is an integer number (425797696440).

Almost surely, 2^{3557776307656} is an apocalyptic number.

It is an amenable number.

3557776307656 is a deficient number, since it is larger than the sum of its proper divisors (3254986835384).

3557776307656 is a wasteful number, since it uses less digits than its factorization.

3557776307656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462171084 (or 9462171080 counting only the distinct ones).

The product of its (nonzero) digits is 583443000, while the sum is 67.

The spelling of 3557776307656 in words is "three trillion, five hundred fifty-seven billion, seven hundred seventy-six million, three hundred seven thousand, six hundred fifty-six".