3804487307561 has 8 divisors (see below), whose sum is σ = 4028417637120. Its totient is φ = 3580572195648.

The previous prime is 3804487307507. The next prime is 3804487307563. The reversal of 3804487307561 is 1657037844083.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3804487307561 - 2¹⁰ = 3804487306537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3804487307497 and 3804487307506.

It is not an unprimeable number, because it can be changed into a prime (3804487307563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287681 + ... + 4291598.

It is an arithmetic number, because the mean of its divisors is an integer number (503552204640).

Almost surely, 2^{3804487307561} is an apocalyptic number.

It is an amenable number.

3804487307561 is a deficient number, since it is larger than the sum of its proper divisors (223930329559).

3804487307561 is a wasteful number, since it uses less digits than its factorization.

3804487307561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608823.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 3804487307561 in words is "three trillion, eight hundred four billion, four hundred eighty-seven million, three hundred seven thousand, five hundred sixty-one".