3557986505 has 8 divisors (see below), whose sum is σ = 4270060032. Its totient is φ = 2846071728.

The previous prime is 3557986483. The next prime is 3557986507. The reversal of 3557986505 is 5056897553.

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 3557986505 - 2¹⁰ = 3557985481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3557986507) 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, 16982 + ... + 86048.

It is an arithmetic number, because the mean of its divisors is an integer number (533757504).

Almost surely, 2^3557986505 is an apocalyptic number.

It is an amenable number.

3557986505 is a deficient number, since it is larger than the sum of its proper divisors (712073527).

3557986505 is a wasteful number, since it uses less digits than its factorization.

3557986505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79375.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The square root of 3557986505 is about 59648.8600477830. The cubic root of 3557986505 is about 1526.6334203005.

The spelling of 3557986505 in words is "three billion, five hundred fifty-seven million, nine hundred eighty-six thousand, five hundred five".